8311220

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{2789}}^1$

素因数の和:2947

約数の個数: 24

約数和(自身を含む): 17577000

約数和(自身を除く): 9265780

約数列:

[1, 2, 4, 5, 10, 20, 149, 298, 596, 745, 1490, 2789, 2980, 5578, 11156, 13945, 27890, 55780, 415561, 831122, 1662244, 2077805, 4155610, 8311220]

約数ペア:

[(1, 8311220), (2, 4155610), (4, 2077805), (5, 1662244), (10, 831122), (20, 415561), (149, 55780), (298, 27890), (596, 13945), (745, 11156), (1490, 5578), (2789, 2980)]