291210740

素因数分解:

$2^2\times 5^1\times {\mathrm{557}}^1\times {\mathrm{26141}}^1$

素因数の和:26707

約数の個数: 24

約数和(自身を含む): 612663912

約数和(自身を除く): 321453172

約数列:

[1, 2, 4, 5, 10, 20, 557, 1114, 2228, 2785, 5570, 11140, 26141, 52282, 104564, 130705, 261410, 522820, 14560537, 29121074, 58242148, 72802685, 145605370, 291210740]

約数ペア:

[(1, 291210740), (2, 145605370), (4, 72802685), (5, 58242148), (10, 29121074), (20, 14560537), (557, 522820), (1114, 261410), (2228, 130705), (2785, 104564), (5570, 52282), (11140, 26141)]