2780458850

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{683}}^1\times {\mathrm{6263}}^1$

素因数の和:6971

約数の個数: 48

約数和(自身を含む): 5578517952

約数和(自身を除く): 2798059102

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 683, 1366, 3415, 6263, 6830, 8879, 12526, 17075, 17758, 31315, 34150, 44395, 62630, 81419, 88790, 156575, 162838, 221975, 313150, 407095, 443950, 814190, 2035475, 4070950, 4277629, 8555258, 21388145, 42776290, 55609177, 106940725, 111218354, 213881450, 278045885, 556091770, 1390229425, 2780458850]

約数ペア:

[(1, 2780458850), (2, 1390229425), (5, 556091770), (10, 278045885), (13, 213881450), (25, 111218354), (26, 106940725), (50, 55609177), (65, 42776290), (130, 21388145), (325, 8555258), (650, 4277629), (683, 4070950), (1366, 2035475), (3415, 814190), (6263, 443950), (6830, 407095), (8879, 313150), (12526, 221975), (17075, 162838), (17758, 156575), (31315, 88790), (34150, 81419), (44395, 62630)]