138960580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{487}}^1\times {\mathrm{1297}}^1$

素因数の和:1804

約数の個数: 48

約数和(自身を含む): 319245696

約数和(自身を除く): 180285116

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 487, 974, 1297, 1948, 2435, 2594, 4870, 5188, 5357, 6485, 9740, 10714, 12970, 14267, 21428, 25940, 26785, 28534, 53570, 57068, 71335, 107140, 142670, 285340, 631639, 1263278, 2526556, 3158195, 6316390, 6948029, 12632780, 13896058, 27792116, 34740145, 69480290, 138960580]

約数ペア:

[(1, 138960580), (2, 69480290), (4, 34740145), (5, 27792116), (10, 13896058), (11, 12632780), (20, 6948029), (22, 6316390), (44, 3158195), (55, 2526556), (110, 1263278), (220, 631639), (487, 285340), (974, 142670), (1297, 107140), (1948, 71335), (2435, 57068), (2594, 53570), (4870, 28534), (5188, 26785), (5357, 25940), (6485, 21428), (9740, 14267), (10714, 12970)]