2441407780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{991}}^1\times {\mathrm{17597}}^1$

素因数の和:18604

約数の個数: 48

約数和(自身を含む): 5865624576

約数和(自身を除く): 3424216796

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 991, 1982, 3964, 4955, 6937, 9910, 13874, 17597, 19820, 27748, 34685, 35194, 69370, 70388, 87985, 123179, 138740, 175970, 246358, 351940, 492716, 615895, 1231790, 2463580, 17438627, 34877254, 69754508, 87193135, 122070389, 174386270, 244140778, 348772540, 488281556, 610351945, 1220703890, 2441407780]

約数ペア:

[(1, 2441407780), (2, 1220703890), (4, 610351945), (5, 488281556), (7, 348772540), (10, 244140778), (14, 174386270), (20, 122070389), (28, 87193135), (35, 69754508), (70, 34877254), (140, 17438627), (991, 2463580), (1982, 1231790), (3964, 615895), (4955, 492716), (6937, 351940), (9910, 246358), (13874, 175970), (17597, 138740), (19820, 123179), (27748, 87985), (34685, 70388), (35194, 69370)]