243375340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{443}}^1\times {\mathrm{2113}}^1$

素因数の和:2578

約数の個数: 48

約数和(自身を含む): 551906208

約数和(自身を除く): 308530868

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 443, 886, 1772, 2113, 2215, 4226, 4430, 5759, 8452, 8860, 10565, 11518, 21130, 23036, 27469, 28795, 42260, 54938, 57590, 109876, 115180, 137345, 274690, 549380, 936059, 1872118, 3744236, 4680295, 9360590, 12168767, 18721180, 24337534, 48675068, 60843835, 121687670, 243375340]

約数ペア:

[(1, 243375340), (2, 121687670), (4, 60843835), (5, 48675068), (10, 24337534), (13, 18721180), (20, 12168767), (26, 9360590), (52, 4680295), (65, 3744236), (130, 1872118), (260, 936059), (443, 549380), (886, 274690), (1772, 137345), (2113, 115180), (2215, 109876), (4226, 57590), (4430, 54938), (5759, 42260), (8452, 28795), (8860, 27469), (10565, 23036), (11518, 21130)]