220146860

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{229}}^1\times {\mathrm{677}}^1$

素因数の和:986

約数の個数: 48

約数和(自身を含む): 471562560

約数和(自身を除く): 251415700

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 229, 284, 355, 458, 677, 710, 916, 1145, 1354, 1420, 2290, 2708, 3385, 4580, 6770, 13540, 16259, 32518, 48067, 65036, 81295, 96134, 155033, 162590, 192268, 240335, 310066, 325180, 480670, 620132, 775165, 961340, 1550330, 3100660, 11007343, 22014686, 44029372, 55036715, 110073430, 220146860]

約数ペア:

[(1, 220146860), (2, 110073430), (4, 55036715), (5, 44029372), (10, 22014686), (20, 11007343), (71, 3100660), (142, 1550330), (229, 961340), (284, 775165), (355, 620132), (458, 480670), (677, 325180), (710, 310066), (916, 240335), (1145, 192268), (1354, 162590), (1420, 155033), (2290, 96134), (2708, 81295), (3385, 65036), (4580, 48067), (6770, 32518), (13540, 16259)]