28408730

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{57977}}^1$

素因数の和:57998

約数の個数: 24

約数和(自身を含む): 59485428

約数和(自身を除く): 31076698

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 57977, 115954, 289885, 405839, 579770, 811678, 2029195, 2840873, 4058390, 5681746, 14204365, 28408730]

約数ペア:

[(1, 28408730), (2, 14204365), (5, 5681746), (7, 4058390), (10, 2840873), (14, 2029195), (35, 811678), (49, 579770), (70, 405839), (98, 289885), (245, 115954), (490, 57977)]