289373320

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{425549}}^1$

素因数の和:425577

約数の個数: 32

約数和(自身を含む): 689391000

約数和(自身を除く): 400017680

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 425549, 851098, 1702196, 2127745, 3404392, 4255490, 7234333, 8510980, 14468666, 17021960, 28937332, 36171665, 57874664, 72343330, 144686660, 289373320]

約数ペア:

[(1, 289373320), (2, 144686660), (4, 72343330), (5, 57874664), (8, 36171665), (10, 28937332), (17, 17021960), (20, 14468666), (34, 8510980), (40, 7234333), (68, 4255490), (85, 3404392), (136, 2127745), (170, 1702196), (340, 851098), (680, 425549)]