214613620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{26627}}^1$

素因数の和:26680

約数の個数: 48

約数和(自身を含む): 501032448

約数和(自身を除く): 286418828

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, 26627, 53254, 106508, 133135, 266270, 346151, 532540, 692302, 825437, 1384604, 1650874, 1730755, 3301748, 3461510, 4127185, 6923020, 8254370, 10730681, 16508740, 21461362, 42922724, 53653405, 107306810, 214613620]

約数ペア:

[(1, 214613620), (2, 107306810), (4, 53653405), (5, 42922724), (10, 21461362), (13, 16508740), (20, 10730681), (26, 8254370), (31, 6923020), (52, 4127185), (62, 3461510), (65, 3301748), (124, 1730755), (130, 1650874), (155, 1384604), (260, 825437), (310, 692302), (403, 532540), (620, 346151), (806, 266270), (1612, 133135), (2015, 106508), (4030, 53254), (8060, 26627)]