2705380

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1$

素因数の和:208

約数の個数: 48

約数和(自身を含む): 6153840

約数和(自身を除く): 3448460

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 73, 85, 109, 146, 170, 218, 292, 340, 365, 436, 545, 730, 1090, 1241, 1460, 1853, 2180, 2482, 3706, 4964, 6205, 7412, 7957, 9265, 12410, 15914, 18530, 24820, 31828, 37060, 39785, 79570, 135269, 159140, 270538, 541076, 676345, 1352690, 2705380]

約数ペア:

[(1, 2705380), (2, 1352690), (4, 676345), (5, 541076), (10, 270538), (17, 159140), (20, 135269), (34, 79570), (68, 39785), (73, 37060), (85, 31828), (109, 24820), (146, 18530), (170, 15914), (218, 12410), (292, 9265), (340, 7957), (365, 7412), (436, 6205), (545, 4964), (730, 3706), (1090, 2482), (1241, 2180), (1460, 1853)]