7888355420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{733}}^1\times {\mathrm{4447}}^1$

素因数の和:5211

約数の個数: 72

約数和(自身を含む): 18237351552

約数和(自身を除く): 10348996132

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 733, 1210, 1466, 2420, 2932, 3665, 4447, 7330, 8063, 8894, 14660, 16126, 17788, 22235, 32252, 40315, 44470, 48917, 80630, 88693, 88940, 97834, 161260, 177386, 195668, 244585, 354772, 443465, 489170, 538087, 886930, 978340, 1076174, 1773860, 2152348, 2690435, 3259651, 5380870, 6519302, 10761740, 13038604, 16298255, 32596510, 35856161, 65193020, 71712322, 143424644, 179280805, 358561610, 394417771, 717123220, 788835542, 1577671084, 1972088855, 3944177710, 7888355420]

約数ペア:

[(1, 7888355420), (2, 3944177710), (4, 1972088855), (5, 1577671084), (10, 788835542), (11, 717123220), (20, 394417771), (22, 358561610), (44, 179280805), (55, 143424644), (110, 71712322), (121, 65193020), (220, 35856161), (242, 32596510), (484, 16298255), (605, 13038604), (733, 10761740), (1210, 6519302), (1466, 5380870), (2420, 3259651), (2932, 2690435), (3665, 2152348), (4447, 1773860), (7330, 1076174), (8063, 978340), (8894, 886930), (14660, 538087), (16126, 489170), (17788, 443465), (22235, 354772), (32252, 244585), (40315, 195668), (44470, 177386), (48917, 161260), (80630, 97834), (88693, 88940)]