1520972830

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{688223}}^1$

素因数の和:688260

約数の個数: 32

約数和(自身を含む): 3121784064

約数和(自身を除く): 1600811234

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 442, 1105, 2210, 688223, 1376446, 3441115, 6882230, 8946899, 11699791, 17893798, 23399582, 44734495, 58498955, 89468990, 116997910, 152097283, 304194566, 760486415, 1520972830]

約数ペア:

[(1, 1520972830), (2, 760486415), (5, 304194566), (10, 152097283), (13, 116997910), (17, 89468990), (26, 58498955), (34, 44734495), (65, 23399582), (85, 17893798), (130, 11699791), (170, 8946899), (221, 6882230), (442, 3441115), (1105, 1376446), (2210, 688223)]