309748040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{1106243}}^1$

素因数の和:1106261

約数の個数: 32

約数和(自身を含む): 796495680

約数和(自身を除く): 486747640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 1106243, 2212486, 4424972, 5531215, 7743701, 8849944, 11062430, 15487402, 22124860, 30974804, 38718505, 44249720, 61949608, 77437010, 154874020, 309748040]

約数ペア:

[(1, 309748040), (2, 154874020), (4, 77437010), (5, 61949608), (7, 44249720), (8, 38718505), (10, 30974804), (14, 22124860), (20, 15487402), (28, 11062430), (35, 8849944), (40, 7743701), (56, 5531215), (70, 4424972), (140, 2212486), (280, 1106243)]