330897775

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{17}}^2\times {\mathrm{271}}^1$

素因数の和:341

約数の個数: 54

約数和(自身を含む): 473718192

約数和(自身を除く): 142820417

約数列:

[1, 5, 13, 17, 25, 65, 85, 169, 221, 271, 289, 325, 425, 845, 1105, 1355, 1445, 2873, 3523, 3757, 4225, 4607, 5525, 6775, 7225, 14365, 17615, 18785, 23035, 45799, 48841, 59891, 71825, 78319, 88075, 93925, 115175, 228995, 244205, 299455, 391595, 778583, 1018147, 1144975, 1221025, 1497275, 1957975, 3892915, 5090735, 13235911, 19464575, 25453675, 66179555, 330897775]

約数ペア:

[(1, 330897775), (5, 66179555), (13, 25453675), (17, 19464575), (25, 13235911), (65, 5090735), (85, 3892915), (169, 1957975), (221, 1497275), (271, 1221025), (289, 1144975), (325, 1018147), (425, 778583), (845, 391595), (1105, 299455), (1355, 244205), (1445, 228995), (2873, 115175), (3523, 93925), (3757, 88075), (4225, 78319), (4607, 71825), (5525, 59891), (6775, 48841), (7225, 45799), (14365, 23035), (17615, 18785)]