17999200

素因数分解:

$2^5\times 5^2\times {\mathrm{149}}^1\times {\mathrm{151}}^1$

素因数の和:320

約数の個数: 72

約数和(自身を含む): 44528400

約数和(自身を除く): 26529200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 149, 151, 160, 200, 298, 302, 400, 596, 604, 745, 755, 800, 1192, 1208, 1490, 1510, 2384, 2416, 2980, 3020, 3725, 3775, 4768, 4832, 5960, 6040, 7450, 7550, 11920, 12080, 14900, 15100, 22499, 23840, 24160, 29800, 30200, 44998, 59600, 60400, 89996, 112495, 119200, 120800, 179992, 224990, 359984, 449980, 562475, 719968, 899960, 1124950, 1799920, 2249900, 3599840, 4499800, 8999600, 17999200]

約数ペア:

[(1, 17999200), (2, 8999600), (4, 4499800), (5, 3599840), (8, 2249900), (10, 1799920), (16, 1124950), (20, 899960), (25, 719968), (32, 562475), (40, 449980), (50, 359984), (80, 224990), (100, 179992), (149, 120800), (151, 119200), (160, 112495), (200, 89996), (298, 60400), (302, 59600), (400, 44998), (596, 30200), (604, 29800), (745, 24160), (755, 23840), (800, 22499), (1192, 15100), (1208, 14900), (1490, 12080), (1510, 11920), (2384, 7550), (2416, 7450), (2980, 6040), (3020, 5960), (3725, 4832), (3775, 4768)]