258978820

素因数分解:

$2^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{58067}}^1$

素因数の和:58299

約数の個数: 24

約数和(自身を含む): 546303744

約数和(自身を除く): 287324924

約数列:

[1, 2, 4, 5, 10, 20, 223, 446, 892, 1115, 2230, 4460, 58067, 116134, 232268, 290335, 580670, 1161340, 12948941, 25897882, 51795764, 64744705, 129489410, 258978820]

約数ペア:

[(1, 258978820), (2, 129489410), (4, 64744705), (5, 51795764), (10, 25897882), (20, 12948941), (223, 1161340), (446, 580670), (892, 290335), (1115, 232268), (2230, 116134), (4460, 58067)]