838390

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{59}}^1$

素因数の和:109

約数の個数: 48

約数和(自身を含む): 1846800

約数和(自身を除く): 1008410

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 49, 58, 59, 70, 98, 118, 145, 203, 245, 290, 295, 406, 413, 490, 590, 826, 1015, 1421, 1711, 2030, 2065, 2842, 2891, 3422, 4130, 5782, 7105, 8555, 11977, 14210, 14455, 17110, 23954, 28910, 59885, 83839, 119770, 167678, 419195, 838390]

約数ペア:

[(1, 838390), (2, 419195), (5, 167678), (7, 119770), (10, 83839), (14, 59885), (29, 28910), (35, 23954), (49, 17110), (58, 14455), (59, 14210), (70, 11977), (98, 8555), (118, 7105), (145, 5782), (203, 4130), (245, 3422), (290, 2891), (295, 2842), (406, 2065), (413, 2030), (490, 1711), (590, 1421), (826, 1015)]