30978620

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{41863}}^1$

素因数の和:41909

約数の個数: 24

約数和(自身を含む): 66814944

約数和(自身を除く): 35836324

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740, 41863, 83726, 167452, 209315, 418630, 837260, 1548931, 3097862, 6195724, 7744655, 15489310, 30978620]

約数ペア:

[(1, 30978620), (2, 15489310), (4, 7744655), (5, 6195724), (10, 3097862), (20, 1548931), (37, 837260), (74, 418630), (148, 209315), (185, 167452), (370, 83726), (740, 41863)]