28748610

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{409}}^1$

素因数の和:504

約数の個数: 96

約数和(自身を含む): 82892160

約数和(自身を除く): 54143550

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 71, 90, 99, 110, 142, 165, 198, 213, 330, 355, 409, 426, 495, 639, 710, 781, 818, 990, 1065, 1227, 1278, 1562, 2045, 2130, 2343, 2454, 3195, 3681, 3905, 4090, 4499, 4686, 6135, 6390, 7029, 7362, 7810, 8998, 11715, 12270, 13497, 14058, 18405, 22495, 23430, 26994, 29039, 35145, 36810, 40491, 44990, 58078, 67485, 70290, 80982, 87117, 134970, 145195, 174234, 202455, 261351, 290390, 319429, 404910, 435585, 522702, 638858, 871170, 958287, 1306755, 1597145, 1916574, 2613510, 2874861, 3194290, 4791435, 5749722, 9582870, 14374305, 28748610]

約数ペア:

[(1, 28748610), (2, 14374305), (3, 9582870), (5, 5749722), (6, 4791435), (9, 3194290), (10, 2874861), (11, 2613510), (15, 1916574), (18, 1597145), (22, 1306755), (30, 958287), (33, 871170), (45, 638858), (55, 522702), (66, 435585), (71, 404910), (90, 319429), (99, 290390), (110, 261351), (142, 202455), (165, 174234), (198, 145195), (213, 134970), (330, 87117), (355, 80982), (409, 70290), (426, 67485), (495, 58078), (639, 44990), (710, 40491), (781, 36810), (818, 35145), (990, 29039), (1065, 26994), (1227, 23430), (1278, 22495), (1562, 18405), (2045, 14058), (2130, 13497), (2343, 12270), (2454, 11715), (3195, 8998), (3681, 7810), (3905, 7362), (4090, 7029), (4499, 6390), (4686, 6135)]