128570830

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{5441}}^1$

素因数の和:5604

約数の個数: 32

約数和(自身を含む): 246849120

約数和(自身を除く): 118278290

約数列:

[1, 2, 5, 10, 17, 34, 85, 139, 170, 278, 695, 1390, 2363, 4726, 5441, 10882, 11815, 23630, 27205, 54410, 92497, 184994, 462485, 756299, 924970, 1512598, 3781495, 7562990, 12857083, 25714166, 64285415, 128570830]

約数ペア:

[(1, 128570830), (2, 64285415), (5, 25714166), (10, 12857083), (17, 7562990), (34, 3781495), (85, 1512598), (139, 924970), (170, 756299), (278, 462485), (695, 184994), (1390, 92497), (2363, 54410), (4726, 27205), (5441, 23630), (10882, 11815)]