67853140

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{257}}^1\times {\mathrm{307}}^1$

素因数の和:616

約数の個数: 48

約数和(自身を含む): 146849472

約数和(自身を除く): 78996332

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 257, 307, 430, 514, 614, 860, 1028, 1228, 1285, 1535, 2570, 3070, 5140, 6140, 11051, 13201, 22102, 26402, 44204, 52804, 55255, 66005, 78899, 110510, 132010, 157798, 221020, 264020, 315596, 394495, 788990, 1577980, 3392657, 6785314, 13570628, 16963285, 33926570, 67853140]

約数ペア:

[(1, 67853140), (2, 33926570), (4, 16963285), (5, 13570628), (10, 6785314), (20, 3392657), (43, 1577980), (86, 788990), (172, 394495), (215, 315596), (257, 264020), (307, 221020), (430, 157798), (514, 132010), (614, 110510), (860, 78899), (1028, 66005), (1228, 55255), (1285, 52804), (1535, 44204), (2570, 26402), (3070, 22102), (5140, 13201), (6140, 11051)]