31900140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{177223}}^1$

素因数の和:177238

約数の個数: 36

約数和(自身を含む): 96764304

約数和(自身を除く): 64864164

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 177223, 354446, 531669, 708892, 886115, 1063338, 1595007, 1772230, 2126676, 2658345, 3190014, 3544460, 5316690, 6380028, 7975035, 10633380, 15950070, 31900140]

約数ペア:

[(1, 31900140), (2, 15950070), (3, 10633380), (4, 7975035), (5, 6380028), (6, 5316690), (9, 3544460), (10, 3190014), (12, 2658345), (15, 2126676), (18, 1772230), (20, 1595007), (30, 1063338), (36, 886115), (45, 708892), (60, 531669), (90, 354446), (180, 177223)]