287644120

素因数分解:

$2^3\times 5^1\times {\mathrm{613}}^1\times {\mathrm{11731}}^1$

素因数の和:12355

約数の個数: 32

約数和(自身を含む): 648310320

約数和(自身を除く): 360666200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 613, 1226, 2452, 3065, 4904, 6130, 11731, 12260, 23462, 24520, 46924, 58655, 93848, 117310, 234620, 469240, 7191103, 14382206, 28764412, 35955515, 57528824, 71911030, 143822060, 287644120]

約数ペア:

[(1, 287644120), (2, 143822060), (4, 71911030), (5, 57528824), (8, 35955515), (10, 28764412), (20, 14382206), (40, 7191103), (613, 469240), (1226, 234620), (2452, 117310), (3065, 93848), (4904, 58655), (6130, 46924), (11731, 24520), (12260, 23462)]