211163820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{502771}}^1$

素因数の和:502790

約数の個数: 48

約数和(自身を含む): 675725568

約数和(自身を除く): 464561748

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 502771, 1005542, 1508313, 2011084, 2513855, 3016626, 3519397, 5027710, 6033252, 7038794, 7541565, 10055420, 10558191, 14077588, 15083130, 17596985, 21116382, 30166260, 35193970, 42232764, 52790955, 70387940, 105581910, 211163820]

約数ペア:

[(1, 211163820), (2, 105581910), (3, 70387940), (4, 52790955), (5, 42232764), (6, 35193970), (7, 30166260), (10, 21116382), (12, 17596985), (14, 15083130), (15, 14077588), (20, 10558191), (21, 10055420), (28, 7541565), (30, 7038794), (35, 6033252), (42, 5027710), (60, 3519397), (70, 3016626), (84, 2513855), (105, 2011084), (140, 1508313), (210, 1005542), (420, 502771)]