138975250

素因数分解:

$2^1\times 5^3\times {\mathrm{29}}^2\times {\mathrm{661}}^1$

素因数の和:736

約数の個数: 48

約数和(自身を含む): 269849736

約数和(自身を除く): 130874486

約数列:

[1, 2, 5, 10, 25, 29, 50, 58, 125, 145, 250, 290, 661, 725, 841, 1322, 1450, 1682, 3305, 3625, 4205, 6610, 7250, 8410, 16525, 19169, 21025, 33050, 38338, 42050, 82625, 95845, 105125, 165250, 191690, 210250, 479225, 555901, 958450, 1111802, 2396125, 2779505, 4792250, 5559010, 13897525, 27795050, 69487625, 138975250]

約数ペア:

[(1, 138975250), (2, 69487625), (5, 27795050), (10, 13897525), (25, 5559010), (29, 4792250), (50, 2779505), (58, 2396125), (125, 1111802), (145, 958450), (250, 555901), (290, 479225), (661, 210250), (725, 191690), (841, 165250), (1322, 105125), (1450, 95845), (1682, 82625), (3305, 42050), (3625, 38338), (4205, 33050), (6610, 21025), (7250, 19169), (8410, 16525)]