140247740

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{2477}}^1$

素因数の和:2654

約数の個数: 48

約数和(自身を含む): 312228000

約数和(自身を除く): 171980260

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 149, 190, 298, 380, 596, 745, 1490, 2477, 2831, 2980, 4954, 5662, 9908, 11324, 12385, 14155, 24770, 28310, 47063, 49540, 56620, 94126, 188252, 235315, 369073, 470630, 738146, 941260, 1476292, 1845365, 3690730, 7012387, 7381460, 14024774, 28049548, 35061935, 70123870, 140247740]

約数ペア:

[(1, 140247740), (2, 70123870), (4, 35061935), (5, 28049548), (10, 14024774), (19, 7381460), (20, 7012387), (38, 3690730), (76, 1845365), (95, 1476292), (149, 941260), (190, 738146), (298, 470630), (380, 369073), (596, 235315), (745, 188252), (1490, 94126), (2477, 56620), (2831, 49540), (2980, 47063), (4954, 28310), (5662, 24770), (9908, 14155), (11324, 12385)]