489950

素因数分解:

$2^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{239}}^1$

素因数の和:292

約数の個数: 24

約数和(自身を含む): 937440

約数和(自身を除く): 447490

約数列:

[1, 2, 5, 10, 25, 41, 50, 82, 205, 239, 410, 478, 1025, 1195, 2050, 2390, 5975, 9799, 11950, 19598, 48995, 97990, 244975, 489950]

約数ペア:

[(1, 489950), (2, 244975), (5, 97990), (10, 48995), (25, 19598), (41, 11950), (50, 9799), (82, 5975), (205, 2390), (239, 2050), (410, 1195), (478, 1025)]