290182520

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{426739}}^1$

素因数の和:426767

約数の個数: 32

約数和(自身を含む): 691318800

約数和(自身を除く): 401136280

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 426739, 853478, 1706956, 2133695, 3413912, 4267390, 7254563, 8534780, 14509126, 17069560, 29018252, 36272815, 58036504, 72545630, 145091260, 290182520]

約数ペア:

[(1, 290182520), (2, 145091260), (4, 72545630), (5, 58036504), (8, 36272815), (10, 29018252), (17, 17069560), (20, 14509126), (34, 8534780), (40, 7254563), (68, 4267390), (85, 3413912), (136, 2133695), (170, 1706956), (340, 853478), (680, 426739)]