121388820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{289021}}^1$

素因数の和:289040

約数の個数: 48

約数和(自身を含む): 388445568

約数和(自身を除く): 267056748

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 289021, 578042, 867063, 1156084, 1445105, 1734126, 2023147, 2890210, 3468252, 4046294, 4335315, 5780420, 6069441, 8092588, 8670630, 10115735, 12138882, 17341260, 20231470, 24277764, 30347205, 40462940, 60694410, 121388820]

約数ペア:

[(1, 121388820), (2, 60694410), (3, 40462940), (4, 30347205), (5, 24277764), (6, 20231470), (7, 17341260), (10, 12138882), (12, 10115735), (14, 8670630), (15, 8092588), (20, 6069441), (21, 5780420), (28, 4335315), (30, 4046294), (35, 3468252), (42, 2890210), (60, 2023147), (70, 1734126), (84, 1445105), (105, 1156084), (140, 867063), (210, 578042), (420, 289021)]