188889790

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{181}}^1\times {\mathrm{1321}}^1$

素因数の和:1588

約数の個数: 32

約数和(自身を含む): 346469760

約数和(自身を除く): 157579970

約数列:

[1, 2, 5, 10, 79, 158, 181, 362, 395, 790, 905, 1321, 1810, 2642, 6605, 13210, 14299, 28598, 71495, 104359, 142990, 208718, 239101, 478202, 521795, 1043590, 1195505, 2391010, 18888979, 37777958, 94444895, 188889790]

約数ペア:

[(1, 188889790), (2, 94444895), (5, 37777958), (10, 18888979), (79, 2391010), (158, 1195505), (181, 1043590), (362, 521795), (395, 478202), (790, 239101), (905, 208718), (1321, 142990), (1810, 104359), (2642, 71495), (6605, 28598), (13210, 14299)]