1661050

素因数分解:

$2^1\times 5^2\times {\mathrm{139}}^1\times {\mathrm{239}}^1$

素因数の和:390

約数の個数: 24

約数和(自身を含む): 3124800

約数和(自身を除く): 1463750

約数列:

[1, 2, 5, 10, 25, 50, 139, 239, 278, 478, 695, 1195, 1390, 2390, 3475, 5975, 6950, 11950, 33221, 66442, 166105, 332210, 830525, 1661050]

約数ペア:

[(1, 1661050), (2, 830525), (5, 332210), (10, 166105), (25, 66442), (50, 33221), (139, 11950), (239, 6950), (278, 5975), (478, 3475), (695, 2390), (1195, 1390)]