1991569490

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{229}}^1\times {\mathrm{29989}}^1$

素因数の和:30254

約数の個数: 32

約数和(自身を含む): 3724758000

約数和(自身を除く): 1733188510

約数列:

[1, 2, 5, 10, 29, 58, 145, 229, 290, 458, 1145, 2290, 6641, 13282, 29989, 33205, 59978, 66410, 149945, 299890, 869681, 1739362, 4348405, 6867481, 8696810, 13734962, 34337405, 68674810, 199156949, 398313898, 995784745, 1991569490]

約数ペア:

[(1, 1991569490), (2, 995784745), (5, 398313898), (10, 199156949), (29, 68674810), (58, 34337405), (145, 13734962), (229, 8696810), (290, 6867481), (458, 4348405), (1145, 1739362), (2290, 869681), (6641, 299890), (13282, 149945), (29989, 66410), (33205, 59978)]