77288860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{4447}}^1$

素因数の和:4546

約数の個数: 48

約数和(自身を含む): 179343360

約数和(自身を除く): 102054500

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 79, 110, 158, 220, 316, 395, 790, 869, 1580, 1738, 3476, 4345, 4447, 8690, 8894, 17380, 17788, 22235, 44470, 48917, 88940, 97834, 195668, 244585, 351313, 489170, 702626, 978340, 1405252, 1756565, 3513130, 3864443, 7026260, 7728886, 15457772, 19322215, 38644430, 77288860]

約数ペア:

[(1, 77288860), (2, 38644430), (4, 19322215), (5, 15457772), (10, 7728886), (11, 7026260), (20, 3864443), (22, 3513130), (44, 1756565), (55, 1405252), (79, 978340), (110, 702626), (158, 489170), (220, 351313), (316, 244585), (395, 195668), (790, 97834), (869, 88940), (1580, 48917), (1738, 44470), (3476, 22235), (4345, 17788), (4447, 17380), (8690, 8894)]