154622840

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{89897}}^1$

素因数の和:89951

約数の個数: 32

約数和(自身を含む): 355996080

約数和(自身を除く): 201373240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 89897, 179794, 359588, 449485, 719176, 898970, 1797940, 3595880, 3865571, 7731142, 15462284, 19327855, 30924568, 38655710, 77311420, 154622840]

約数ペア:

[(1, 154622840), (2, 77311420), (4, 38655710), (5, 30924568), (8, 19327855), (10, 15462284), (20, 7731142), (40, 3865571), (43, 3595880), (86, 1797940), (172, 898970), (215, 719176), (344, 449485), (430, 359588), (860, 179794), (1720, 89897)]