148839140

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{157}}^1\times {\mathrm{443}}^1$

素因数の和:716

約数の個数: 48

約数和(自身を含む): 318209472

約数和(自身を除く): 169370332

約数列:

[1, 2, 4, 5, 10, 20, 107, 157, 214, 314, 428, 443, 535, 628, 785, 886, 1070, 1570, 1772, 2140, 2215, 3140, 4430, 8860, 16799, 33598, 47401, 67196, 69551, 83995, 94802, 139102, 167990, 189604, 237005, 278204, 335980, 347755, 474010, 695510, 948020, 1391020, 7441957, 14883914, 29767828, 37209785, 74419570, 148839140]

約数ペア:

[(1, 148839140), (2, 74419570), (4, 37209785), (5, 29767828), (10, 14883914), (20, 7441957), (107, 1391020), (157, 948020), (214, 695510), (314, 474010), (428, 347755), (443, 335980), (535, 278204), (628, 237005), (785, 189604), (886, 167990), (1070, 139102), (1570, 94802), (1772, 83995), (2140, 69551), (2215, 67196), (3140, 47401), (4430, 33598), (8860, 16799)]