780808190

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{34261}}^1$

素因数の和:34364

約数の個数: 32

約数和(自身を含む): 1465317216

約数和(自身を除く): 684509026

約数列:

[1, 2, 5, 10, 43, 53, 86, 106, 215, 265, 430, 530, 2279, 4558, 11395, 22790, 34261, 68522, 171305, 342610, 1473223, 1815833, 2946446, 3631666, 7366115, 9079165, 14732230, 18158330, 78080819, 156161638, 390404095, 780808190]

約数ペア:

[(1, 780808190), (2, 390404095), (5, 156161638), (10, 78080819), (43, 18158330), (53, 14732230), (86, 9079165), (106, 7366115), (215, 3631666), (265, 2946446), (430, 1815833), (530, 1473223), (2279, 342610), (4558, 171305), (11395, 68522), (22790, 34261)]