408903740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{47881}}^1$

素因数の和:47958

約数の個数: 48

約数和(自身を含む): 997477824

約数和(自身を除く): 588574084

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 122, 140, 244, 305, 427, 610, 854, 1220, 1708, 2135, 4270, 8540, 47881, 95762, 191524, 239405, 335167, 478810, 670334, 957620, 1340668, 1675835, 2920741, 3351670, 5841482, 6703340, 11682964, 14603705, 20445187, 29207410, 40890374, 58414820, 81780748, 102225935, 204451870, 408903740]

約数ペア:

[(1, 408903740), (2, 204451870), (4, 102225935), (5, 81780748), (7, 58414820), (10, 40890374), (14, 29207410), (20, 20445187), (28, 14603705), (35, 11682964), (61, 6703340), (70, 5841482), (122, 3351670), (140, 2920741), (244, 1675835), (305, 1340668), (427, 957620), (610, 670334), (854, 478810), (1220, 335167), (1708, 239405), (2135, 191524), (4270, 95762), (8540, 47881)]