2180630

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{499}}^1$

素因数の和:548

約数の個数: 32

約数和(自身を含む): 4320000

約数和(自身を除く): 2139370

約数列:

[1, 2, 5, 10, 19, 23, 38, 46, 95, 115, 190, 230, 437, 499, 874, 998, 2185, 2495, 4370, 4990, 9481, 11477, 18962, 22954, 47405, 57385, 94810, 114770, 218063, 436126, 1090315, 2180630]

約数ペア:

[(1, 2180630), (2, 1090315), (5, 436126), (10, 218063), (19, 114770), (23, 94810), (38, 57385), (46, 47405), (95, 22954), (115, 18962), (190, 11477), (230, 9481), (437, 4990), (499, 4370), (874, 2495), (998, 2185)]