1798960

素因数分解:

$2^4\times 5^1\times {\mathrm{113}}^1\times {\mathrm{199}}^1$

素因数の和:325

約数の個数: 40

約数和(自身を含む): 4240800

約数和(自身を除く): 2441840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 113, 199, 226, 398, 452, 565, 796, 904, 995, 1130, 1592, 1808, 1990, 2260, 3184, 3980, 4520, 7960, 9040, 15920, 22487, 44974, 89948, 112435, 179896, 224870, 359792, 449740, 899480, 1798960]

約数ペア:

[(1, 1798960), (2, 899480), (4, 449740), (5, 359792), (8, 224870), (10, 179896), (16, 112435), (20, 89948), (40, 44974), (80, 22487), (113, 15920), (199, 9040), (226, 7960), (398, 4520), (452, 3980), (565, 3184), (796, 2260), (904, 1990), (995, 1808), (1130, 1592)]