140575160

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{319489}}^1$

素因数の和:319511

約数の個数: 32

約数和(自身を含む): 345049200

約数和(自身を除く): 204474040

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 319489, 638978, 1277956, 1597445, 2555912, 3194890, 3514379, 6389780, 7028758, 12779560, 14057516, 17571895, 28115032, 35143790, 70287580, 140575160]

約数ペア:

[(1, 140575160), (2, 70287580), (4, 35143790), (5, 28115032), (8, 17571895), (10, 14057516), (11, 12779560), (20, 7028758), (22, 6389780), (40, 3514379), (44, 3194890), (55, 2555912), (88, 1597445), (110, 1277956), (220, 638978), (440, 319489)]