531506890

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{211}}^1\times {\mathrm{2311}}^1$

素因数の和:2638

約数の個数: 32

約数和(自身を含む): 970485120

約数和(自身を除く): 438978230

約数列:

[1, 2, 5, 10, 109, 211, 218, 422, 545, 1055, 1090, 2110, 2311, 4622, 11555, 22999, 23110, 45998, 114995, 229990, 251899, 487621, 503798, 975242, 1259495, 2438105, 2518990, 4876210, 53150689, 106301378, 265753445, 531506890]

約数ペア:

[(1, 531506890), (2, 265753445), (5, 106301378), (10, 53150689), (109, 4876210), (211, 2518990), (218, 2438105), (422, 1259495), (545, 975242), (1055, 503798), (1090, 487621), (2110, 251899), (2311, 229990), (4622, 114995), (11555, 45998), (22999, 23110)]