285256475

素因数分解:

$5^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{479}}^1$

素因数の和:620

約数の個数: 48

約数和(自身を含む): 419973120

約数和(自身を除く): 134716645

約数列:

[1, 5, 7, 25, 35, 41, 83, 175, 205, 287, 415, 479, 581, 1025, 1435, 2075, 2395, 2905, 3353, 3403, 7175, 11975, 14525, 16765, 17015, 19639, 23821, 39757, 83825, 85075, 98195, 119105, 137473, 198785, 278299, 490975, 595525, 687365, 993925, 1391495, 1630037, 3436825, 6957475, 8150185, 11410259, 40750925, 57051295, 285256475]

約数ペア:

[(1, 285256475), (5, 57051295), (7, 40750925), (25, 11410259), (35, 8150185), (41, 6957475), (83, 3436825), (175, 1630037), (205, 1391495), (287, 993925), (415, 687365), (479, 595525), (581, 490975), (1025, 278299), (1435, 198785), (2075, 137473), (2395, 119105), (2905, 98195), (3353, 85075), (3403, 83825), (7175, 39757), (11975, 23821), (14525, 19639), (16765, 17015)]