3899740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{283}}^1$

素因数の和:358

約数の個数: 48

約数和(自身を含む): 9017568

約数和(自身を除く): 5117828

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 53, 65, 106, 130, 212, 260, 265, 283, 530, 566, 689, 1060, 1132, 1378, 1415, 2756, 2830, 3445, 3679, 5660, 6890, 7358, 13780, 14716, 14999, 18395, 29998, 36790, 59996, 73580, 74995, 149990, 194987, 299980, 389974, 779948, 974935, 1949870, 3899740]

約数ペア:

[(1, 3899740), (2, 1949870), (4, 974935), (5, 779948), (10, 389974), (13, 299980), (20, 194987), (26, 149990), (52, 74995), (53, 73580), (65, 59996), (106, 36790), (130, 29998), (212, 18395), (260, 14999), (265, 14716), (283, 13780), (530, 7358), (566, 6890), (689, 5660), (1060, 3679), (1132, 3445), (1378, 2830), (1415, 2756)]