417625825

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{181}}^1$

素因数の和:358

約数の個数: 48

約数和(自身を含む): 566682480

約数和(自身を除く): 149056655

約数列:

[1, 5, 17, 25, 61, 85, 89, 181, 305, 425, 445, 905, 1037, 1513, 1525, 2225, 3077, 4525, 5185, 5429, 7565, 11041, 15385, 16109, 25925, 27145, 37825, 55205, 76925, 80545, 92293, 135725, 187697, 273853, 276025, 402725, 461465, 938485, 982649, 1369265, 2307325, 4692425, 4913245, 6846325, 16705033, 24566225, 83525165, 417625825]

約数ペア:

[(1, 417625825), (5, 83525165), (17, 24566225), (25, 16705033), (61, 6846325), (85, 4913245), (89, 4692425), (181, 2307325), (305, 1369265), (425, 982649), (445, 938485), (905, 461465), (1037, 402725), (1513, 276025), (1525, 273853), (2225, 187697), (3077, 135725), (4525, 92293), (5185, 80545), (5429, 76925), (7565, 55205), (11041, 37825), (15385, 27145), (16109, 25925)]