225440425

素因数分解:

$5^2\times 7^2\times {\mathrm{73}}^1\times {\mathrm{2521}}^1$

素因数の和:2618

約数の個数: 36

約数和(自身を含む): 329771676

約数和(自身を除く): 104331251

約数列:

[1, 5, 7, 25, 35, 49, 73, 175, 245, 365, 511, 1225, 1825, 2521, 2555, 3577, 12605, 12775, 17647, 17885, 63025, 88235, 89425, 123529, 184033, 441175, 617645, 920165, 1288231, 3088225, 4600825, 6441155, 9017617, 32205775, 45088085, 225440425]

約数ペア:

[(1, 225440425), (5, 45088085), (7, 32205775), (25, 9017617), (35, 6441155), (49, 4600825), (73, 3088225), (175, 1288231), (245, 920165), (365, 617645), (511, 441175), (1225, 184033), (1825, 123529), (2521, 89425), (2555, 88235), (3577, 63025), (12605, 17885), (12775, 17647)]