4238990

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{211}}^1$

素因数の和:273

約数の個数: 48

約数和(自身を含む): 9135504

約数和(自身を除く): 4896514

約数列:

[1, 2, 5, 7, 10, 14, 35, 41, 49, 70, 82, 98, 205, 211, 245, 287, 410, 422, 490, 574, 1055, 1435, 1477, 2009, 2110, 2870, 2954, 4018, 7385, 8651, 10045, 10339, 14770, 17302, 20090, 20678, 43255, 51695, 60557, 86510, 103390, 121114, 302785, 423899, 605570, 847798, 2119495, 4238990]

約数ペア:

[(1, 4238990), (2, 2119495), (5, 847798), (7, 605570), (10, 423899), (14, 302785), (35, 121114), (41, 103390), (49, 86510), (70, 60557), (82, 51695), (98, 43255), (205, 20678), (211, 20090), (245, 17302), (287, 14770), (410, 10339), (422, 10045), (490, 8651), (574, 7385), (1055, 4018), (1435, 2954), (1477, 2870), (2009, 2110)]