70003180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{139}}^1\times {\mathrm{149}}^1$

素因数の和:323

約数の個数: 72

約数和(自身を含む): 161406000

約数和(自身を除く): 91402820

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 139, 149, 169, 260, 278, 298, 338, 556, 596, 676, 695, 745, 845, 1390, 1490, 1690, 1807, 1937, 2780, 2980, 3380, 3614, 3874, 7228, 7748, 9035, 9685, 18070, 19370, 20711, 23491, 25181, 36140, 38740, 41422, 46982, 50362, 82844, 93964, 100724, 103555, 117455, 125905, 207110, 234910, 251810, 269243, 414220, 469820, 503620, 538486, 1076972, 1346215, 2692430, 3500159, 5384860, 7000318, 14000636, 17500795, 35001590, 70003180]

約数ペア:

[(1, 70003180), (2, 35001590), (4, 17500795), (5, 14000636), (10, 7000318), (13, 5384860), (20, 3500159), (26, 2692430), (52, 1346215), (65, 1076972), (130, 538486), (139, 503620), (149, 469820), (169, 414220), (260, 269243), (278, 251810), (298, 234910), (338, 207110), (556, 125905), (596, 117455), (676, 103555), (695, 100724), (745, 93964), (845, 82844), (1390, 50362), (1490, 46982), (1690, 41422), (1807, 38740), (1937, 36140), (2780, 25181), (2980, 23491), (3380, 20711), (3614, 19370), (3874, 18070), (7228, 9685), (7748, 9035)]