1640541700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1$

素因数の和:267

約数の個数: 288

約数和(自身を含む): 4639703040

約数和(自身を除く): 2999161340

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 23, 25, 28, 31, 35, 38, 46, 50, 62, 70, 76, 92, 95, 100, 115, 124, 133, 140, 155, 161, 173, 175, 190, 217, 230, 266, 310, 322, 346, 350, 380, 434, 437, 460, 475, 532, 575, 589, 620, 644, 665, 692, 700, 713, 775, 805, 865, 868, 874, 950, 1085, 1150, 1178, 1211, 1330, 1426, 1550, 1610, 1730, 1748, 1900, 2170, 2185, 2300, 2356, 2422, 2660, 2852, 2945, 3059, 3100, 3220, 3287, 3325, 3460, 3565, 3979, 4025, 4123, 4325, 4340, 4370, 4844, 4991, 5363, 5425, 5890, 6055, 6118, 6574, 6650, 7130, 7958, 8050, 8246, 8650, 8740, 9982, 10726, 10850, 10925, 11780, 12110, 12236, 13148, 13300, 13547, 14260, 14725, 15295, 15916, 16100, 16435, 16492, 17300, 17825, 19895, 19964, 20615, 21452, 21700, 21850, 23009, 24220, 24955, 26815, 27094, 27853, 29450, 30275, 30590, 32870, 35650, 37541, 39790, 41230, 43700, 46018, 49910, 53630, 54188, 55706, 58900, 60550, 61180, 65740, 67735, 71300, 75082, 75601, 76475, 79580, 82175, 82460, 92036, 94829, 99475, 99820, 101897, 103075, 107260, 111412, 115045, 121100, 123349, 124775, 134075, 135470, 139265, 150164, 151202, 152950, 164350, 187705, 189658, 198950, 203794, 206150, 230090, 246698, 249550, 268150, 270940, 278530, 302404, 305900, 328700, 338675, 375410, 378005, 379316, 397900, 407588, 412300, 460180, 474145, 493396, 499100, 509485, 529207, 536300, 557060, 575225, 616745, 677350, 696325, 713279, 750820, 756010, 863443, 938525, 948290, 1018970, 1058414, 1150450, 1233490, 1354700, 1392650, 1426558, 1512020, 1726886, 1877050, 1890025, 1896580, 2037940, 2116828, 2300900, 2343631, 2370725, 2466980, 2547425, 2646035, 2785300, 2853116, 3083725, 3453772, 3566395, 3754100, 3780050, 4317215, 4687262, 4741450, 5094850, 5292070, 6167450, 7132790, 7560100, 8634430, 9374524, 9482900, 10189700, 10584140, 11718155, 12334900, 13230175, 14265580, 16405417, 17268860, 17831975, 21586075, 23436310, 26460350, 32810834, 35663950, 43172150, 46872620, 52920700, 58590775, 65621668, 71327900, 82027085, 86344300, 117181550, 164054170, 234363100, 328108340, 410135425, 820270850, 1640541700]

約数ペア:

[(1, 1640541700), (2, 820270850), (4, 410135425), (5, 328108340), (7, 234363100), (10, 164054170), (14, 117181550), (19, 86344300), (20, 82027085), (23, 71327900), (25, 65621668), (28, 58590775), (31, 52920700), (35, 46872620), (38, 43172150), (46, 35663950), (50, 32810834), (62, 26460350), (70, 23436310), (76, 21586075), (92, 17831975), (95, 17268860), (100, 16405417), (115, 14265580), (124, 13230175), (133, 12334900), (140, 11718155), (155, 10584140), (161, 10189700), (173, 9482900), (175, 9374524), (190, 8634430), (217, 7560100), (230, 7132790), (266, 6167450), (310, 5292070), (322, 5094850), (346, 4741450), (350, 4687262), (380, 4317215), (434, 3780050), (437, 3754100), (460, 3566395), (475, 3453772), (532, 3083725), (575, 2853116), (589, 2785300), (620, 2646035), (644, 2547425), (665, 2466980), (692, 2370725), (700, 2343631), (713, 2300900), (775, 2116828), (805, 2037940), (865, 1896580), (868, 1890025), (874, 1877050), (950, 1726886), (1085, 1512020), (1150, 1426558), (1178, 1392650), (1211, 1354700), (1330, 1233490), (1426, 1150450), (1550, 1058414), (1610, 1018970), (1730, 948290), (1748, 938525), (1900, 863443), (2170, 756010), (2185, 750820), (2300, 713279), (2356, 696325), (2422, 677350), (2660, 616745), (2852, 575225), (2945, 557060), (3059, 536300), (3100, 529207), (3220, 509485), (3287, 499100), (3325, 493396), (3460, 474145), (3565, 460180), (3979, 412300), (4025, 407588), (4123, 397900), (4325, 379316), (4340, 378005), (4370, 375410), (4844, 338675), (4991, 328700), (5363, 305900), (5425, 302404), (5890, 278530), (6055, 270940), (6118, 268150), (6574, 249550), (6650, 246698), (7130, 230090), (7958, 206150), (8050, 203794), (8246, 198950), (8650, 189658), (8740, 187705), (9982, 164350), (10726, 152950), (10850, 151202), (10925, 150164), (11780, 139265), (12110, 135470), (12236, 134075), (13148, 124775), (13300, 123349), (13547, 121100), (14260, 115045), (14725, 111412), (15295, 107260), (15916, 103075), (16100, 101897), (16435, 99820), (16492, 99475), (17300, 94829), (17825, 92036), (19895, 82460), (19964, 82175), (20615, 79580), (21452, 76475), (21700, 75601), (21850, 75082), (23009, 71300), (24220, 67735), (24955, 65740), (26815, 61180), (27094, 60550), (27853, 58900), (29450, 55706), (30275, 54188), (30590, 53630), (32870, 49910), (35650, 46018), (37541, 43700), (39790, 41230)]