2101580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{137}}^1$

素因数の和:218

約数の個数: 48

約数和(自身を含む): 4868640

約数和(自身を除く): 2767060

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 59, 65, 118, 130, 137, 236, 260, 274, 295, 548, 590, 685, 767, 1180, 1370, 1534, 1781, 2740, 3068, 3562, 3835, 7124, 7670, 8083, 8905, 15340, 16166, 17810, 32332, 35620, 40415, 80830, 105079, 161660, 210158, 420316, 525395, 1050790, 2101580]

約数ペア:

[(1, 2101580), (2, 1050790), (4, 525395), (5, 420316), (10, 210158), (13, 161660), (20, 105079), (26, 80830), (52, 40415), (59, 35620), (65, 32332), (118, 17810), (130, 16166), (137, 15340), (236, 8905), (260, 8083), (274, 7670), (295, 7124), (548, 3835), (590, 3562), (685, 3068), (767, 2740), (1180, 1781), (1370, 1534)]