268109080

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{216217}}^1$

素因数の和:216259

約数の個数: 32

約数和(自身を含む): 622707840

約数和(自身を除く): 354598760

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 216217, 432434, 864868, 1081085, 1729736, 2162170, 4324340, 6702727, 8648680, 13405454, 26810908, 33513635, 53621816, 67027270, 134054540, 268109080]

約数ペア:

[(1, 268109080), (2, 134054540), (4, 67027270), (5, 53621816), (8, 33513635), (10, 26810908), (20, 13405454), (31, 8648680), (40, 6702727), (62, 4324340), (124, 2162170), (155, 1729736), (248, 1081085), (310, 864868), (620, 432434), (1240, 216217)]