1288210

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{239}}^1$

素因数の和:271

約数の個数: 48

約数和(自身を含む): 2954880

約数和(自身を除く): 1666670

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 49, 55, 70, 77, 98, 110, 154, 239, 245, 385, 478, 490, 539, 770, 1078, 1195, 1673, 2390, 2629, 2695, 3346, 5258, 5390, 8365, 11711, 13145, 16730, 18403, 23422, 26290, 36806, 58555, 92015, 117110, 128821, 184030, 257642, 644105, 1288210]

約数ペア:

[(1, 1288210), (2, 644105), (5, 257642), (7, 184030), (10, 128821), (11, 117110), (14, 92015), (22, 58555), (35, 36806), (49, 26290), (55, 23422), (70, 18403), (77, 16730), (98, 13145), (110, 11711), (154, 8365), (239, 5390), (245, 5258), (385, 3346), (478, 2695), (490, 2629), (539, 2390), (770, 1673), (1078, 1195)]