74447620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{6659}}^1$

素因数の和:6724

約数の個数: 48

約数和(自身を含む): 172307520

約数和(自身を除く): 97859900

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 86, 130, 172, 215, 260, 430, 559, 860, 1118, 2236, 2795, 5590, 6659, 11180, 13318, 26636, 33295, 66590, 86567, 133180, 173134, 286337, 346268, 432835, 572674, 865670, 1145348, 1431685, 1731340, 2863370, 3722381, 5726740, 7444762, 14889524, 18611905, 37223810, 74447620]

約数ペア:

[(1, 74447620), (2, 37223810), (4, 18611905), (5, 14889524), (10, 7444762), (13, 5726740), (20, 3722381), (26, 2863370), (43, 1731340), (52, 1431685), (65, 1145348), (86, 865670), (130, 572674), (172, 432835), (215, 346268), (260, 286337), (430, 173134), (559, 133180), (860, 86567), (1118, 66590), (2236, 33295), (2795, 26636), (5590, 13318), (6659, 11180)]