30920575

素因数分解:

$5^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{1621}}^1$

素因数の和:1747

約数の個数: 24

約数和(自身を含む): 44248160

約数和(自身を除く): 13327585

約数列:

[1, 5, 7, 25, 35, 109, 175, 545, 763, 1621, 2725, 3815, 8105, 11347, 19075, 40525, 56735, 176689, 283675, 883445, 1236823, 4417225, 6184115, 30920575]

約数ペア:

[(1, 30920575), (5, 6184115), (7, 4417225), (25, 1236823), (35, 883445), (109, 283675), (175, 176689), (545, 56735), (763, 40525), (1621, 19075), (2725, 11347), (3815, 8105)]