2490722785

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{509}}^1\times {\mathrm{2503}}^1$

素因数の和:3057

約数の個数: 32

約数和(自身を含む): 3310087680

約数和(自身を除く): 819364895

約数列:

[1, 5, 17, 23, 85, 115, 391, 509, 1955, 2503, 2545, 8653, 11707, 12515, 42551, 43265, 57569, 58535, 199019, 212755, 287845, 978673, 995095, 1274027, 4893365, 6370135, 21658459, 29302621, 108292295, 146513105, 498144557, 2490722785]

約数ペア:

[(1, 2490722785), (5, 498144557), (17, 146513105), (23, 108292295), (85, 29302621), (115, 21658459), (391, 6370135), (509, 4893365), (1955, 1274027), (2503, 995095), (2545, 978673), (8653, 287845), (11707, 212755), (12515, 199019), (42551, 58535), (43265, 57569)]