2018396840

素因数分解:

$2^3\times 5^1\times {\mathrm{179}}^1\times {\mathrm{229}}^1\times {\mathrm{1231}}^1$

素因数の和:1650

約数の個数: 64

約数和(自身を含む): 4590432000

約数和(自身を除く): 2572035160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 179, 229, 358, 458, 716, 895, 916, 1145, 1231, 1432, 1790, 1832, 2290, 2462, 3580, 4580, 4924, 6155, 7160, 9160, 9848, 12310, 24620, 40991, 49240, 81982, 163964, 204955, 220349, 281899, 327928, 409910, 440698, 563798, 819820, 881396, 1101745, 1127596, 1409495, 1639640, 1762792, 2203490, 2255192, 2818990, 4406980, 5637980, 8813960, 11275960, 50459921, 100919842, 201839684, 252299605, 403679368, 504599210, 1009198420, 2018396840]

約数ペア:

[(1, 2018396840), (2, 1009198420), (4, 504599210), (5, 403679368), (8, 252299605), (10, 201839684), (20, 100919842), (40, 50459921), (179, 11275960), (229, 8813960), (358, 5637980), (458, 4406980), (716, 2818990), (895, 2255192), (916, 2203490), (1145, 1762792), (1231, 1639640), (1432, 1409495), (1790, 1127596), (1832, 1101745), (2290, 881396), (2462, 819820), (3580, 563798), (4580, 440698), (4924, 409910), (6155, 327928), (7160, 281899), (9160, 220349), (9848, 204955), (12310, 163964), (24620, 81982), (40991, 49240)]