663981350

素因数分解:

$2^1\times 5^2\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{3529}}^1$

素因数の和:3665

約数の個数: 48

約数和(自身を含む): 1276391520

約数和(自身を除く): 612410170

約数列:

[1, 2, 5, 10, 25, 50, 53, 71, 106, 142, 265, 355, 530, 710, 1325, 1775, 2650, 3529, 3550, 3763, 7058, 7526, 17645, 18815, 35290, 37630, 88225, 94075, 176450, 187037, 188150, 250559, 374074, 501118, 935185, 1252795, 1870370, 2505590, 4675925, 6263975, 9351850, 12527950, 13279627, 26559254, 66398135, 132796270, 331990675, 663981350]

約数ペア:

[(1, 663981350), (2, 331990675), (5, 132796270), (10, 66398135), (25, 26559254), (50, 13279627), (53, 12527950), (71, 9351850), (106, 6263975), (142, 4675925), (265, 2505590), (355, 1870370), (530, 1252795), (710, 935185), (1325, 501118), (1775, 374074), (2650, 250559), (3529, 188150), (3550, 187037), (3763, 176450), (7058, 94075), (7526, 88225), (17645, 37630), (18815, 35290)]