205657460

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{227}}^1\times {\mathrm{467}}^1$

素因数の和:800

約数の個数: 48

約数和(自身を含む): 439193664

約数和(自身を除く): 233536204

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 227, 388, 454, 467, 485, 908, 934, 970, 1135, 1868, 1940, 2270, 2335, 4540, 4670, 9340, 22019, 44038, 45299, 88076, 90598, 106009, 110095, 181196, 212018, 220190, 226495, 424036, 440380, 452990, 530045, 905980, 1060090, 2120180, 10282873, 20565746, 41131492, 51414365, 102828730, 205657460]

約数ペア:

[(1, 205657460), (2, 102828730), (4, 51414365), (5, 41131492), (10, 20565746), (20, 10282873), (97, 2120180), (194, 1060090), (227, 905980), (388, 530045), (454, 452990), (467, 440380), (485, 424036), (908, 226495), (934, 220190), (970, 212018), (1135, 181196), (1868, 110095), (1940, 106009), (2270, 90598), (2335, 88076), (4540, 45299), (4670, 44038), (9340, 22019)]