27920930

素因数分解:

$2^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1\times {\mathrm{379}}^1$

素因数の和:578

約数の個数: 32

約数和(自身を含む): 51710400

約数和(自身を除く): 23789470

約数列:

[1, 2, 5, 10, 53, 106, 139, 265, 278, 379, 530, 695, 758, 1390, 1895, 3790, 7367, 14734, 20087, 36835, 40174, 52681, 73670, 100435, 105362, 200870, 263405, 526810, 2792093, 5584186, 13960465, 27920930]

約数ペア:

[(1, 27920930), (2, 13960465), (5, 5584186), (10, 2792093), (53, 526810), (106, 263405), (139, 200870), (265, 105362), (278, 100435), (379, 73670), (530, 52681), (695, 40174), (758, 36835), (1390, 20087), (1895, 14734), (3790, 7367)]