331334220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{788891}}^1$

素因数の和:788910

約数の個数: 48

約数和(自身を含む): 1060270848

約数和(自身を除く): 728936628

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, 788891, 1577782, 2366673, 3155564, 3944455, 4733346, 5522237, 7888910, 9466692, 11044474, 11833365, 15777820, 16566711, 22088948, 23666730, 27611185, 33133422, 47333460, 55222370, 66266844, 82833555, 110444740, 165667110, 331334220]

約数ペア:

[(1, 331334220), (2, 165667110), (3, 110444740), (4, 82833555), (5, 66266844), (6, 55222370), (7, 47333460), (10, 33133422), (12, 27611185), (14, 23666730), (15, 22088948), (20, 16566711), (21, 15777820), (28, 11833365), (30, 11044474), (35, 9466692), (42, 7888910), (60, 5522237), (70, 4733346), (84, 3944455), (105, 3155564), (140, 2366673), (210, 1577782), (420, 788891)]