628040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{2243}}^1$

素因数の和:2261

約数の個数: 32

約数和(自身を含む): 1615680

約数和(自身を除く): 987640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 2243, 4486, 8972, 11215, 15701, 17944, 22430, 31402, 44860, 62804, 78505, 89720, 125608, 157010, 314020, 628040]

約数ペア:

[(1, 628040), (2, 314020), (4, 157010), (5, 125608), (7, 89720), (8, 78505), (10, 62804), (14, 44860), (20, 31402), (28, 22430), (35, 17944), (40, 15701), (56, 11215), (70, 8972), (140, 4486), (280, 2243)]