140686360

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{211}}^2$

素因数の和:512

約数の個数: 48

約数和(自身を含む): 322077600

約数和(自身を除く): 181391240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 211, 316, 395, 422, 632, 790, 844, 1055, 1580, 1688, 2110, 3160, 4220, 8440, 16669, 33338, 44521, 66676, 83345, 89042, 133352, 166690, 178084, 222605, 333380, 356168, 445210, 666760, 890420, 1780840, 3517159, 7034318, 14068636, 17585795, 28137272, 35171590, 70343180, 140686360]

約数ペア:

[(1, 140686360), (2, 70343180), (4, 35171590), (5, 28137272), (8, 17585795), (10, 14068636), (20, 7034318), (40, 3517159), (79, 1780840), (158, 890420), (211, 666760), (316, 445210), (395, 356168), (422, 333380), (632, 222605), (790, 178084), (844, 166690), (1055, 133352), (1580, 89042), (1688, 83345), (2110, 66676), (3160, 44521), (4220, 33338), (8440, 16669)]