645791330

素因数分解:

$2^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{163}}^1\times {\mathrm{2659}}^1$

素因数の和:2978

約数の個数: 32

約数和(自身を含む): 1177848000

約数和(自身を除く): 532056670

約数列:

[1, 2, 5, 10, 149, 163, 298, 326, 745, 815, 1490, 1630, 2659, 5318, 13295, 24287, 26590, 48574, 121435, 242870, 396191, 433417, 792382, 866834, 1980955, 2167085, 3961910, 4334170, 64579133, 129158266, 322895665, 645791330]

約数ペア:

[(1, 645791330), (2, 322895665), (5, 129158266), (10, 64579133), (149, 4334170), (163, 3961910), (298, 2167085), (326, 1980955), (745, 866834), (815, 792382), (1490, 433417), (1630, 396191), (2659, 242870), (5318, 121435), (13295, 48574), (24287, 26590)]