256857230

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{54767}}^1$

素因数の和:54848

約数の個数: 32

約数和(自身を含む): 536288256

約数和(自身を除く): 279431026

約数列:

[1, 2, 5, 7, 10, 14, 35, 67, 70, 134, 335, 469, 670, 938, 2345, 4690, 54767, 109534, 273835, 383369, 547670, 766738, 1916845, 3669389, 3833690, 7338778, 18346945, 25685723, 36693890, 51371446, 128428615, 256857230]

約数ペア:

[(1, 256857230), (2, 128428615), (5, 51371446), (7, 36693890), (10, 25685723), (14, 18346945), (35, 7338778), (67, 3833690), (70, 3669389), (134, 1916845), (335, 766738), (469, 547670), (670, 383369), (938, 273835), (2345, 109534), (4690, 54767)]