1401800

素因数分解:

$2^3\times 5^2\times {\mathrm{43}}^1\times {\mathrm{163}}^1$

素因数の和:222

約数の個数: 48

約数和(自身を含む): 3355440

約数和(自身を除く): 1953640

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 43, 50, 86, 100, 163, 172, 200, 215, 326, 344, 430, 652, 815, 860, 1075, 1304, 1630, 1720, 2150, 3260, 4075, 4300, 6520, 7009, 8150, 8600, 14018, 16300, 28036, 32600, 35045, 56072, 70090, 140180, 175225, 280360, 350450, 700900, 1401800]

約数ペア:

[(1, 1401800), (2, 700900), (4, 350450), (5, 280360), (8, 175225), (10, 140180), (20, 70090), (25, 56072), (40, 35045), (43, 32600), (50, 28036), (86, 16300), (100, 14018), (163, 8600), (172, 8150), (200, 7009), (215, 6520), (326, 4300), (344, 4075), (430, 3260), (652, 2150), (815, 1720), (860, 1630), (1075, 1304)]