343896020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{42667}}^1$

素因数の和:42720

約数の個数: 48

約数和(自身を含む): 802841088

約数和(自身を除く): 458945068

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1612, 2015, 4030, 8060, 42667, 85334, 170668, 213335, 426670, 554671, 853340, 1109342, 1322677, 2218684, 2645354, 2773355, 5290708, 5546710, 6613385, 11093420, 13226770, 17194801, 26453540, 34389602, 68779204, 85974005, 171948010, 343896020]

約数ペア:

[(1, 343896020), (2, 171948010), (4, 85974005), (5, 68779204), (10, 34389602), (13, 26453540), (20, 17194801), (26, 13226770), (31, 11093420), (52, 6613385), (62, 5546710), (65, 5290708), (124, 2773355), (130, 2645354), (155, 2218684), (260, 1322677), (310, 1109342), (403, 853340), (620, 554671), (806, 426670), (1612, 213335), (2015, 170668), (4030, 85334), (8060, 42667)]