287382280

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{422621}}^1$

素因数の和:422649

約数の個数: 32

約数和(自身を含む): 684647640

約数和(自身を除く): 397265360

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 422621, 845242, 1690484, 2113105, 3380968, 4226210, 7184557, 8452420, 14369114, 16904840, 28738228, 35922785, 57476456, 71845570, 143691140, 287382280]

約数ペア:

[(1, 287382280), (2, 143691140), (4, 71845570), (5, 57476456), (8, 35922785), (10, 28738228), (17, 16904840), (20, 14369114), (34, 8452420), (40, 7184557), (68, 4226210), (85, 3380968), (136, 2113105), (170, 1690484), (340, 845242), (680, 422621)]