64706740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{462191}}^1$

素因数の和:462207

約数の個数: 24

約数和(自身を含む): 155296512

約数和(自身を除く): 90589772

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 462191, 924382, 1848764, 2310955, 3235337, 4621910, 6470674, 9243820, 12941348, 16176685, 32353370, 64706740]

約数ペア:

[(1, 64706740), (2, 32353370), (4, 16176685), (5, 12941348), (7, 9243820), (10, 6470674), (14, 4621910), (20, 3235337), (28, 2310955), (35, 1848764), (70, 924382), (140, 462191)]