84778760

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{10141}}^1$

素因数の和:10182

約数の個数: 64

約数和(自身を含む): 219067200

約数和(自身を除く): 134288440

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 38, 40, 44, 55, 76, 88, 95, 110, 152, 190, 209, 220, 380, 418, 440, 760, 836, 1045, 1672, 2090, 4180, 8360, 10141, 20282, 40564, 50705, 81128, 101410, 111551, 192679, 202820, 223102, 385358, 405640, 446204, 557755, 770716, 892408, 963395, 1115510, 1541432, 1926790, 2119469, 2231020, 3853580, 4238938, 4462040, 7707160, 8477876, 10597345, 16955752, 21194690, 42389380, 84778760]

約数ペア:

[(1, 84778760), (2, 42389380), (4, 21194690), (5, 16955752), (8, 10597345), (10, 8477876), (11, 7707160), (19, 4462040), (20, 4238938), (22, 3853580), (38, 2231020), (40, 2119469), (44, 1926790), (55, 1541432), (76, 1115510), (88, 963395), (95, 892408), (110, 770716), (152, 557755), (190, 446204), (209, 405640), (220, 385358), (380, 223102), (418, 202820), (440, 192679), (760, 111551), (836, 101410), (1045, 81128), (1672, 50705), (2090, 40564), (4180, 20282), (8360, 10141)]