212308040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{758243}}^1$

素因数の和:758261

約数の個数: 32

約数和(自身を含む): 545935680

約数和(自身を除く): 333627640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 758243, 1516486, 3032972, 3791215, 5307701, 6065944, 7582430, 10615402, 15164860, 21230804, 26538505, 30329720, 42461608, 53077010, 106154020, 212308040]

約数ペア:

[(1, 212308040), (2, 106154020), (4, 53077010), (5, 42461608), (7, 30329720), (8, 26538505), (10, 21230804), (14, 15164860), (20, 10615402), (28, 7582430), (35, 6065944), (40, 5307701), (56, 3791215), (70, 3032972), (140, 1516486), (280, 758243)]