621129950

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1$

素因数の和:223

約数の個数: 192

約数和(自身を含む): 1508474880

約数和(自身を除く): 887344930

約数列:

[1, 2, 5, 7, 10, 14, 19, 23, 25, 31, 35, 38, 46, 50, 62, 70, 95, 115, 131, 133, 155, 161, 175, 190, 217, 230, 262, 266, 310, 322, 350, 434, 437, 475, 575, 589, 655, 665, 713, 775, 805, 874, 917, 950, 1085, 1150, 1178, 1310, 1330, 1426, 1550, 1610, 1834, 2170, 2185, 2489, 2945, 3013, 3059, 3275, 3325, 3565, 4025, 4061, 4123, 4370, 4585, 4978, 4991, 5425, 5890, 6026, 6118, 6550, 6650, 7130, 8050, 8122, 8246, 9170, 9982, 10850, 10925, 12445, 13547, 14725, 15065, 15295, 17423, 17825, 20305, 20615, 21091, 21850, 22925, 24890, 24955, 27094, 28427, 29450, 30130, 30590, 34846, 35650, 40610, 41230, 42182, 45850, 49910, 56854, 57247, 62225, 67735, 75325, 76475, 77159, 87115, 93403, 94829, 101525, 103075, 105455, 114494, 124450, 124775, 135470, 142135, 150650, 152950, 154318, 174230, 186806, 189658, 203050, 206150, 210910, 249550, 284270, 286235, 338675, 385795, 400729, 435575, 467015, 474145, 527275, 540113, 572470, 653821, 677350, 710675, 771590, 801458, 871150, 934030, 948290, 1054550, 1080226, 1307642, 1421350, 1431175, 1774657, 1928975, 2003645, 2335075, 2370725, 2700565, 2862350, 3269105, 3549314, 3857950, 4007290, 4670150, 4741450, 5401130, 6538210, 8873285, 10018225, 12422599, 13502825, 16345525, 17746570, 20036450, 24845198, 27005650, 32691050, 44366425, 62112995, 88732850, 124225990, 310564975, 621129950]

約数ペア:

[(1, 621129950), (2, 310564975), (5, 124225990), (7, 88732850), (10, 62112995), (14, 44366425), (19, 32691050), (23, 27005650), (25, 24845198), (31, 20036450), (35, 17746570), (38, 16345525), (46, 13502825), (50, 12422599), (62, 10018225), (70, 8873285), (95, 6538210), (115, 5401130), (131, 4741450), (133, 4670150), (155, 4007290), (161, 3857950), (175, 3549314), (190, 3269105), (217, 2862350), (230, 2700565), (262, 2370725), (266, 2335075), (310, 2003645), (322, 1928975), (350, 1774657), (434, 1431175), (437, 1421350), (475, 1307642), (575, 1080226), (589, 1054550), (655, 948290), (665, 934030), (713, 871150), (775, 801458), (805, 771590), (874, 710675), (917, 677350), (950, 653821), (1085, 572470), (1150, 540113), (1178, 527275), (1310, 474145), (1330, 467015), (1426, 435575), (1550, 400729), (1610, 385795), (1834, 338675), (2170, 286235), (2185, 284270), (2489, 249550), (2945, 210910), (3013, 206150), (3059, 203050), (3275, 189658), (3325, 186806), (3565, 174230), (4025, 154318), (4061, 152950), (4123, 150650), (4370, 142135), (4585, 135470), (4978, 124775), (4991, 124450), (5425, 114494), (5890, 105455), (6026, 103075), (6118, 101525), (6550, 94829), (6650, 93403), (7130, 87115), (8050, 77159), (8122, 76475), (8246, 75325), (9170, 67735), (9982, 62225), (10850, 57247), (10925, 56854), (12445, 49910), (13547, 45850), (14725, 42182), (15065, 41230), (15295, 40610), (17423, 35650), (17825, 34846), (20305, 30590), (20615, 30130), (21091, 29450), (21850, 28427), (22925, 27094), (24890, 24955)]