2490305890

素因数分解:

$2^1\times 5^1\times {\mathrm{1789}}^1\times {\mathrm{139201}}^1$

素因数の和:140997

約数の個数: 16

約数和(自身を含む): 4485088440

約数和(自身を除く): 1994782550

約数列:

[1, 2, 5, 10, 1789, 3578, 8945, 17890, 139201, 278402, 696005, 1392010, 249030589, 498061178, 1245152945, 2490305890]

約数ペア:

[(1, 2490305890), (2, 1245152945), (5, 498061178), (10, 249030589), (1789, 1392010), (3578, 696005), (8945, 278402), (17890, 139201)]