31026460

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{269}}^1$

素因数の和:430

約数の個数: 48

約数和(自身を含む): 67132800

約数和(自身を除く): 36106340

約数列:

[1, 2, 4, 5, 10, 20, 73, 79, 146, 158, 269, 292, 316, 365, 395, 538, 730, 790, 1076, 1345, 1460, 1580, 2690, 5380, 5767, 11534, 19637, 21251, 23068, 28835, 39274, 42502, 57670, 78548, 85004, 98185, 106255, 115340, 196370, 212510, 392740, 425020, 1551323, 3102646, 6205292, 7756615, 15513230, 31026460]

約数ペア:

[(1, 31026460), (2, 15513230), (4, 7756615), (5, 6205292), (10, 3102646), (20, 1551323), (73, 425020), (79, 392740), (146, 212510), (158, 196370), (269, 115340), (292, 106255), (316, 98185), (365, 85004), (395, 78548), (538, 57670), (730, 42502), (790, 39274), (1076, 28835), (1345, 23068), (1460, 21251), (1580, 19637), (2690, 11534), (5380, 5767)]