78552980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1$

素因数の和:245

約数の個数: 96

約数和(自身を含む): 188116992

約数和(自身を除く): 109564012

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 47, 55, 71, 94, 107, 110, 142, 188, 214, 220, 235, 284, 355, 428, 470, 517, 535, 710, 781, 940, 1034, 1070, 1177, 1420, 1562, 2068, 2140, 2354, 2585, 3124, 3337, 3905, 4708, 5029, 5170, 5885, 6674, 7597, 7810, 10058, 10340, 11770, 13348, 15194, 15620, 16685, 20116, 23540, 25145, 30388, 33370, 36707, 37985, 50290, 55319, 66740, 73414, 75970, 83567, 100580, 110638, 146828, 151940, 167134, 183535, 221276, 276595, 334268, 357059, 367070, 417835, 553190, 714118, 734140, 835670, 1106380, 1428236, 1671340, 1785295, 3570590, 3927649, 7141180, 7855298, 15710596, 19638245, 39276490, 78552980]

約数ペア:

[(1, 78552980), (2, 39276490), (4, 19638245), (5, 15710596), (10, 7855298), (11, 7141180), (20, 3927649), (22, 3570590), (44, 1785295), (47, 1671340), (55, 1428236), (71, 1106380), (94, 835670), (107, 734140), (110, 714118), (142, 553190), (188, 417835), (214, 367070), (220, 357059), (235, 334268), (284, 276595), (355, 221276), (428, 183535), (470, 167134), (517, 151940), (535, 146828), (710, 110638), (781, 100580), (940, 83567), (1034, 75970), (1070, 73414), (1177, 66740), (1420, 55319), (1562, 50290), (2068, 37985), (2140, 36707), (2354, 33370), (2585, 30388), (3124, 25145), (3337, 23540), (3905, 20116), (4708, 16685), (5029, 15620), (5170, 15194), (5885, 13348), (6674, 11770), (7597, 10340), (7810, 10058)]