205465040

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{1567}}^1$

素因数の和:1740

約数の個数: 80

約数和(自身を含む): 524966400

約数和(自身を除く): 319501360

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 149, 176, 220, 298, 440, 596, 745, 880, 1192, 1490, 1567, 1639, 2384, 2980, 3134, 3278, 5960, 6268, 6556, 7835, 8195, 11920, 12536, 13112, 15670, 16390, 17237, 25072, 26224, 31340, 32780, 34474, 62680, 65560, 68948, 86185, 125360, 131120, 137896, 172370, 233483, 275792, 344740, 466966, 689480, 933932, 1167415, 1378960, 1867864, 2334830, 2568313, 3735728, 4669660, 5136626, 9339320, 10273252, 12841565, 18678640, 20546504, 25683130, 41093008, 51366260, 102732520, 205465040]

約数ペア:

[(1, 205465040), (2, 102732520), (4, 51366260), (5, 41093008), (8, 25683130), (10, 20546504), (11, 18678640), (16, 12841565), (20, 10273252), (22, 9339320), (40, 5136626), (44, 4669660), (55, 3735728), (80, 2568313), (88, 2334830), (110, 1867864), (149, 1378960), (176, 1167415), (220, 933932), (298, 689480), (440, 466966), (596, 344740), (745, 275792), (880, 233483), (1192, 172370), (1490, 137896), (1567, 131120), (1639, 125360), (2384, 86185), (2980, 68948), (3134, 65560), (3278, 62680), (5960, 34474), (6268, 32780), (6556, 31340), (7835, 26224), (8195, 25072), (11920, 17237), (12536, 16390), (13112, 15670)]