166385380

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{41}}^2\times {\mathrm{101}}^1$

素因数の和:206

約数の個数: 108

約数和(自身を含む): 420735924

約数和(自身を除く): 254350544

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 49, 70, 82, 98, 101, 140, 164, 196, 202, 205, 245, 287, 404, 410, 490, 505, 574, 707, 820, 980, 1010, 1148, 1414, 1435, 1681, 2009, 2020, 2828, 2870, 3362, 3535, 4018, 4141, 4949, 5740, 6724, 7070, 8036, 8282, 8405, 9898, 10045, 11767, 14140, 16564, 16810, 19796, 20090, 20705, 23534, 24745, 28987, 33620, 40180, 41410, 47068, 49490, 57974, 58835, 82369, 82820, 98980, 115948, 117670, 144935, 164738, 169781, 202909, 235340, 289870, 329476, 339562, 405818, 411845, 579740, 679124, 811636, 823690, 848905, 1014545, 1188467, 1647380, 1697810, 2029090, 2376934, 3395620, 4058180, 4753868, 5942335, 8319269, 11884670, 16638538, 23769340, 33277076, 41596345, 83192690, 166385380]

約数ペア:

[(1, 166385380), (2, 83192690), (4, 41596345), (5, 33277076), (7, 23769340), (10, 16638538), (14, 11884670), (20, 8319269), (28, 5942335), (35, 4753868), (41, 4058180), (49, 3395620), (70, 2376934), (82, 2029090), (98, 1697810), (101, 1647380), (140, 1188467), (164, 1014545), (196, 848905), (202, 823690), (205, 811636), (245, 679124), (287, 579740), (404, 411845), (410, 405818), (490, 339562), (505, 329476), (574, 289870), (707, 235340), (820, 202909), (980, 169781), (1010, 164738), (1148, 144935), (1414, 117670), (1435, 115948), (1681, 98980), (2009, 82820), (2020, 82369), (2828, 58835), (2870, 57974), (3362, 49490), (3535, 47068), (4018, 41410), (4141, 40180), (4949, 33620), (5740, 28987), (6724, 24745), (7070, 23534), (8036, 20705), (8282, 20090), (8405, 19796), (9898, 16810), (10045, 16564), (11767, 14140)]