127993420

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{3499}}^1$

素因数の和:3598

約数の個数: 48

約数和(自身を含む): 282240000

約数和(自身を除く): 154246580

約数列:

[1, 2, 4, 5, 10, 20, 31, 59, 62, 118, 124, 155, 236, 295, 310, 590, 620, 1180, 1829, 3499, 3658, 6998, 7316, 9145, 13996, 17495, 18290, 34990, 36580, 69980, 108469, 206441, 216938, 412882, 433876, 542345, 825764, 1032205, 1084690, 2064410, 2169380, 4128820, 6399671, 12799342, 25598684, 31998355, 63996710, 127993420]

約数ペア:

[(1, 127993420), (2, 63996710), (4, 31998355), (5, 25598684), (10, 12799342), (20, 6399671), (31, 4128820), (59, 2169380), (62, 2064410), (118, 1084690), (124, 1032205), (155, 825764), (236, 542345), (295, 433876), (310, 412882), (590, 216938), (620, 206441), (1180, 108469), (1829, 69980), (3499, 36580), (3658, 34990), (6998, 18290), (7316, 17495), (9145, 13996)]