79418900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1$

素因数の和:210

約数の個数: 144

約数和(自身を含む): 206986752

約数和(自身を除く): 127567852

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 25, 31, 34, 44, 50, 55, 62, 68, 85, 100, 110, 124, 137, 155, 170, 187, 220, 274, 275, 310, 340, 341, 374, 425, 527, 548, 550, 620, 682, 685, 748, 775, 850, 935, 1054, 1100, 1364, 1370, 1507, 1550, 1700, 1705, 1870, 2108, 2329, 2635, 2740, 3014, 3100, 3410, 3425, 3740, 4247, 4658, 4675, 5270, 5797, 6028, 6820, 6850, 7535, 8494, 8525, 9316, 9350, 10540, 11594, 11645, 13175, 13700, 15070, 16988, 17050, 18700, 21235, 23188, 23290, 25619, 26350, 28985, 30140, 34100, 37675, 42470, 46580, 46717, 51238, 52700, 57970, 58225, 72199, 75350, 84940, 93434, 102476, 106175, 115940, 116450, 128095, 144398, 144925, 150700, 186868, 212350, 232900, 233585, 256190, 288796, 289850, 360995, 424700, 467170, 512380, 579700, 640475, 721990, 794189, 934340, 1167925, 1280950, 1443980, 1588378, 1804975, 2335850, 2561900, 3176756, 3609950, 3970945, 4671700, 7219900, 7941890, 15883780, 19854725, 39709450, 79418900]

約数ペア:

[(1, 79418900), (2, 39709450), (4, 19854725), (5, 15883780), (10, 7941890), (11, 7219900), (17, 4671700), (20, 3970945), (22, 3609950), (25, 3176756), (31, 2561900), (34, 2335850), (44, 1804975), (50, 1588378), (55, 1443980), (62, 1280950), (68, 1167925), (85, 934340), (100, 794189), (110, 721990), (124, 640475), (137, 579700), (155, 512380), (170, 467170), (187, 424700), (220, 360995), (274, 289850), (275, 288796), (310, 256190), (340, 233585), (341, 232900), (374, 212350), (425, 186868), (527, 150700), (548, 144925), (550, 144398), (620, 128095), (682, 116450), (685, 115940), (748, 106175), (775, 102476), (850, 93434), (935, 84940), (1054, 75350), (1100, 72199), (1364, 58225), (1370, 57970), (1507, 52700), (1550, 51238), (1700, 46717), (1705, 46580), (1870, 42470), (2108, 37675), (2329, 34100), (2635, 30140), (2740, 28985), (3014, 26350), (3100, 25619), (3410, 23290), (3425, 23188), (3740, 21235), (4247, 18700), (4658, 17050), (4675, 16988), (5270, 15070), (5797, 13700), (6028, 13175), (6820, 11645), (6850, 11594), (7535, 10540), (8494, 9350), (8525, 9316)]