1550871740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{171937}}^1$

素因数の和:171998

約数の個数: 48

約数和(自身を含む): 3639583584

約数和(自身を除く): 2088711844

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 41, 44, 55, 82, 110, 164, 205, 220, 410, 451, 820, 902, 1804, 2255, 4510, 9020, 171937, 343874, 687748, 859685, 1719370, 1891307, 3438740, 3782614, 7049417, 7565228, 9456535, 14098834, 18913070, 28197668, 35247085, 37826140, 70494170, 77543587, 140988340, 155087174, 310174348, 387717935, 775435870, 1550871740]

約数ペア:

[(1, 1550871740), (2, 775435870), (4, 387717935), (5, 310174348), (10, 155087174), (11, 140988340), (20, 77543587), (22, 70494170), (41, 37826140), (44, 35247085), (55, 28197668), (82, 18913070), (110, 14098834), (164, 9456535), (205, 7565228), (220, 7049417), (410, 3782614), (451, 3438740), (820, 1891307), (902, 1719370), (1804, 859685), (2255, 687748), (4510, 343874), (9020, 171937)]