1520291405

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{151}}^1\times {\mathrm{359}}^1$

素因数の和:665

約数の個数: 32

約数和(自身を含む): 1891123200

約数和(自身を除く): 370831795

約数列:

[1, 5, 71, 79, 151, 355, 359, 395, 755, 1795, 5609, 10721, 11929, 25489, 28045, 28361, 53605, 54209, 59645, 127445, 141805, 271045, 846959, 2013631, 3848839, 4234795, 4282511, 10068155, 19244195, 21412555, 304058281, 1520291405]

約数ペア:

[(1, 1520291405), (5, 304058281), (71, 21412555), (79, 19244195), (151, 10068155), (355, 4282511), (359, 4234795), (395, 3848839), (755, 2013631), (1795, 846959), (5609, 271045), (10721, 141805), (11929, 127445), (25489, 59645), (28045, 54209), (28361, 53605)]