331910020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{5297}}^1$

素因数の和:5560

約数の個数: 48

約数和(自身を含む): 753884208

約数和(自身を除く): 421974188

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 241, 260, 482, 964, 1205, 2410, 3133, 4820, 5297, 6266, 10594, 12532, 15665, 21188, 26485, 31330, 52970, 62660, 68861, 105940, 137722, 275444, 344305, 688610, 1276577, 1377220, 2553154, 5106308, 6382885, 12765770, 16595501, 25531540, 33191002, 66382004, 82977505, 165955010, 331910020]

約数ペア:

[(1, 331910020), (2, 165955010), (4, 82977505), (5, 66382004), (10, 33191002), (13, 25531540), (20, 16595501), (26, 12765770), (52, 6382885), (65, 5106308), (130, 2553154), (241, 1377220), (260, 1276577), (482, 688610), (964, 344305), (1205, 275444), (2410, 137722), (3133, 105940), (4820, 68861), (5297, 62660), (6266, 52970), (10594, 31330), (12532, 26485), (15665, 21188)]