4156989740

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{32441}}^1$

素因数の和:32642

約数の個数: 48

約数和(自身を含む): 8992922400

約数和(自身を除く): 4835932660

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 149, 172, 215, 298, 430, 596, 745, 860, 1490, 2980, 6407, 12814, 25628, 32035, 32441, 64070, 64882, 128140, 129764, 162205, 324410, 648820, 1394963, 2789926, 4833709, 5579852, 6974815, 9667418, 13949630, 19334836, 24168545, 27899260, 48337090, 96674180, 207849487, 415698974, 831397948, 1039247435, 2078494870, 4156989740]

約数ペア:

[(1, 4156989740), (2, 2078494870), (4, 1039247435), (5, 831397948), (10, 415698974), (20, 207849487), (43, 96674180), (86, 48337090), (149, 27899260), (172, 24168545), (215, 19334836), (298, 13949630), (430, 9667418), (596, 6974815), (745, 5579852), (860, 4833709), (1490, 2789926), (2980, 1394963), (6407, 648820), (12814, 324410), (25628, 162205), (32035, 129764), (32441, 128140), (64070, 64882)]