78840710

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^2\times {\mathrm{443}}^1$

素因数の和:537

約数の個数: 48

約数和(自身を含む): 157426416

約数和(自身を除く): 78585706

約数列:

[1, 2, 5, 10, 13, 26, 37, 65, 74, 130, 185, 370, 443, 481, 886, 962, 1369, 2215, 2405, 2738, 4430, 4810, 5759, 6845, 11518, 13690, 16391, 17797, 28795, 32782, 35594, 57590, 81955, 88985, 163910, 177970, 213083, 426166, 606467, 1065415, 1212934, 2130830, 3032335, 6064670, 7884071, 15768142, 39420355, 78840710]

約数ペア:

[(1, 78840710), (2, 39420355), (5, 15768142), (10, 7884071), (13, 6064670), (26, 3032335), (37, 2130830), (65, 1212934), (74, 1065415), (130, 606467), (185, 426166), (370, 213083), (443, 177970), (481, 163910), (886, 88985), (962, 81955), (1369, 57590), (2215, 35594), (2405, 32782), (2738, 28795), (4430, 17797), (4810, 16391), (5759, 13690), (6845, 11518)]