12400310

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1$

素因数の和:249

約数の個数: 64

約数和(自身を含む): 26417664

約数和(自身を除く): 14017354

約数列:

[1, 2, 5, 10, 13, 17, 26, 31, 34, 62, 65, 85, 130, 155, 170, 181, 221, 310, 362, 403, 442, 527, 806, 905, 1054, 1105, 1810, 2015, 2210, 2353, 2635, 3077, 4030, 4706, 5270, 5611, 6154, 6851, 11222, 11765, 13702, 15385, 23530, 28055, 30770, 34255, 40001, 56110, 68510, 72943, 80002, 95387, 145886, 190774, 200005, 364715, 400010, 476935, 729430, 953870, 1240031, 2480062, 6200155, 12400310]

約数ペア:

[(1, 12400310), (2, 6200155), (5, 2480062), (10, 1240031), (13, 953870), (17, 729430), (26, 476935), (31, 400010), (34, 364715), (62, 200005), (65, 190774), (85, 145886), (130, 95387), (155, 80002), (170, 72943), (181, 68510), (221, 56110), (310, 40001), (362, 34255), (403, 30770), (442, 28055), (527, 23530), (806, 15385), (905, 13702), (1054, 11765), (1105, 11222), (1810, 6851), (2015, 6154), (2210, 5611), (2353, 5270), (2635, 4706), (3077, 4030)]