130129180

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{337}}^1\times {\mathrm{449}}^1$

素因数の和:838

約数の個数: 48

約数和(自身を含む): 281080800

約数和(自身を除く): 150951620

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 337, 430, 449, 674, 860, 898, 1348, 1685, 1796, 2245, 3370, 4490, 6740, 8980, 14491, 19307, 28982, 38614, 57964, 72455, 77228, 96535, 144910, 151313, 193070, 289820, 302626, 386140, 605252, 756565, 1513130, 3026260, 6506459, 13012918, 26025836, 32532295, 65064590, 130129180]

約数ペア:

[(1, 130129180), (2, 65064590), (4, 32532295), (5, 26025836), (10, 13012918), (20, 6506459), (43, 3026260), (86, 1513130), (172, 756565), (215, 605252), (337, 386140), (430, 302626), (449, 289820), (674, 193070), (860, 151313), (898, 144910), (1348, 96535), (1685, 77228), (1796, 72455), (2245, 57964), (3370, 38614), (4490, 28982), (6740, 19307), (8980, 14491)]