9720130

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{83}}^1\times {\mathrm{239}}^1$

素因数の和:343

約数の個数: 48

約数和(自身を含む): 20684160

約数和(自身を除く): 10964030

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 83, 98, 166, 239, 245, 415, 478, 490, 581, 830, 1162, 1195, 1673, 2390, 2905, 3346, 4067, 5810, 8134, 8365, 11711, 16730, 19837, 20335, 23422, 39674, 40670, 58555, 99185, 117110, 138859, 198370, 277718, 694295, 972013, 1388590, 1944026, 4860065, 9720130]

約数ペア:

[(1, 9720130), (2, 4860065), (5, 1944026), (7, 1388590), (10, 972013), (14, 694295), (35, 277718), (49, 198370), (70, 138859), (83, 117110), (98, 99185), (166, 58555), (239, 40670), (245, 39674), (415, 23422), (478, 20335), (490, 19837), (581, 16730), (830, 11711), (1162, 8365), (1195, 8134), (1673, 5810), (2390, 4067), (2905, 3346)]