868400

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{167}}^1$

素因数の和:198

約数の個数: 60

約数和(自身を含む): 2260272

約数和(自身を除く): 1391872

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 130, 167, 200, 208, 260, 325, 334, 400, 520, 650, 668, 835, 1040, 1300, 1336, 1670, 2171, 2600, 2672, 3340, 4175, 4342, 5200, 6680, 8350, 8684, 10855, 13360, 16700, 17368, 21710, 33400, 34736, 43420, 54275, 66800, 86840, 108550, 173680, 217100, 434200, 868400]

約数ペア:

[(1, 868400), (2, 434200), (4, 217100), (5, 173680), (8, 108550), (10, 86840), (13, 66800), (16, 54275), (20, 43420), (25, 34736), (26, 33400), (40, 21710), (50, 17368), (52, 16700), (65, 13360), (80, 10855), (100, 8684), (104, 8350), (130, 6680), (167, 5200), (200, 4342), (208, 4175), (260, 3340), (325, 2672), (334, 2600), (400, 2171), (520, 1670), (650, 1336), (668, 1300), (835, 1040)]