2005017980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1091}}^1\times {\mathrm{13127}}^1$

素因数の和:14234

約数の個数: 48

約数和(自身を含む): 4816820736

約数和(自身を除く): 2811802756

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1091, 2182, 4364, 5455, 7637, 10910, 13127, 15274, 21820, 26254, 30548, 38185, 52508, 65635, 76370, 91889, 131270, 152740, 183778, 262540, 367556, 459445, 918890, 1837780, 14321557, 28643114, 57286228, 71607785, 100250899, 143215570, 200501798, 286431140, 401003596, 501254495, 1002508990, 2005017980]

約数ペア:

[(1, 2005017980), (2, 1002508990), (4, 501254495), (5, 401003596), (7, 286431140), (10, 200501798), (14, 143215570), (20, 100250899), (28, 71607785), (35, 57286228), (70, 28643114), (140, 14321557), (1091, 1837780), (2182, 918890), (4364, 459445), (5455, 367556), (7637, 262540), (10910, 183778), (13127, 152740), (15274, 131270), (21820, 91889), (26254, 76370), (30548, 65635), (38185, 52508)]