389670380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{7411}}^1$

素因数の和:7670

約数の個数: 48

約数和(自身を含む): 896555520

約数和(自身を除く): 506885140

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 239, 478, 956, 1195, 2390, 2629, 4780, 5258, 7411, 10516, 13145, 14822, 26290, 29644, 37055, 52580, 74110, 81521, 148220, 163042, 326084, 407605, 815210, 1630420, 1771229, 3542458, 7084916, 8856145, 17712290, 19483519, 35424580, 38967038, 77934076, 97417595, 194835190, 389670380]

約数ペア:

[(1, 389670380), (2, 194835190), (4, 97417595), (5, 77934076), (10, 38967038), (11, 35424580), (20, 19483519), (22, 17712290), (44, 8856145), (55, 7084916), (110, 3542458), (220, 1771229), (239, 1630420), (478, 815210), (956, 407605), (1195, 326084), (2390, 163042), (2629, 148220), (4780, 81521), (5258, 74110), (7411, 52580), (10516, 37055), (13145, 29644), (14822, 26290)]