74494040

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{431}}^1$

素因数の和:620

約数の個数: 64

約数和(自身を含む): 174960000

約数和(自身を除く): 100465960

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 149, 232, 290, 298, 431, 580, 596, 745, 862, 1160, 1192, 1490, 1724, 2155, 2980, 3448, 4310, 4321, 5960, 8620, 8642, 12499, 17240, 17284, 21605, 24998, 34568, 43210, 49996, 62495, 64219, 86420, 99992, 124990, 128438, 172840, 249980, 256876, 321095, 499960, 513752, 642190, 1284380, 1862351, 2568760, 3724702, 7449404, 9311755, 14898808, 18623510, 37247020, 74494040]

約数ペア:

[(1, 74494040), (2, 37247020), (4, 18623510), (5, 14898808), (8, 9311755), (10, 7449404), (20, 3724702), (29, 2568760), (40, 1862351), (58, 1284380), (116, 642190), (145, 513752), (149, 499960), (232, 321095), (290, 256876), (298, 249980), (431, 172840), (580, 128438), (596, 124990), (745, 99992), (862, 86420), (1160, 64219), (1192, 62495), (1490, 49996), (1724, 43210), (2155, 34568), (2980, 24998), (3448, 21605), (4310, 17284), (4321, 17240), (5960, 12499), (8620, 8642)]