279372290

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{449}}^1\times {\mathrm{1447}}^1$

素因数の和:1946

約数の個数: 32

約数和(自身を含む): 516067200

約数和(自身を除く): 236694910

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 449, 898, 1447, 2245, 2894, 4490, 7235, 14470, 19307, 38614, 62221, 96535, 124442, 193070, 311105, 622210, 649703, 1299406, 3248515, 6497030, 27937229, 55874458, 139686145, 279372290]

約数ペア:

[(1, 279372290), (2, 139686145), (5, 55874458), (10, 27937229), (43, 6497030), (86, 3248515), (215, 1299406), (430, 649703), (449, 622210), (898, 311105), (1447, 193070), (2245, 124442), (2894, 96535), (4490, 62221), (7235, 38614), (14470, 19307)]