247623740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{136057}}^1$

素因数の和:136086

約数の個数: 48

約数和(自身を含む): 640016832

約数和(自身を除く): 392393092

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 136057, 272114, 544228, 680285, 952399, 1360570, 1768741, 1904798, 2721140, 3537482, 3809596, 4761995, 7074964, 8843705, 9523990, 12381187, 17687410, 19047980, 24762374, 35374820, 49524748, 61905935, 123811870, 247623740]

約数ペア:

[(1, 247623740), (2, 123811870), (4, 61905935), (5, 49524748), (7, 35374820), (10, 24762374), (13, 19047980), (14, 17687410), (20, 12381187), (26, 9523990), (28, 8843705), (35, 7074964), (52, 4761995), (65, 3809596), (70, 3537482), (91, 2721140), (130, 1904798), (140, 1768741), (182, 1360570), (260, 952399), (364, 680285), (455, 544228), (910, 272114), (1820, 136057)]