257204310

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{743}}^1\times {\mathrm{1049}}^1$

素因数の和:1813

約数の個数: 64

約数和(自身を含む): 674956800

約数和(自身を除く): 417752490

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 110, 165, 330, 743, 1049, 1486, 2098, 2229, 3147, 3715, 4458, 5245, 6294, 7430, 8173, 10490, 11145, 11539, 15735, 16346, 22290, 23078, 24519, 31470, 34617, 40865, 49038, 57695, 69234, 81730, 115390, 122595, 173085, 245190, 346170, 779407, 1558814, 2338221, 3897035, 4676442, 7794070, 8573477, 11691105, 17146954, 23382210, 25720431, 42867385, 51440862, 85734770, 128602155, 257204310]

約数ペア:

[(1, 257204310), (2, 128602155), (3, 85734770), (5, 51440862), (6, 42867385), (10, 25720431), (11, 23382210), (15, 17146954), (22, 11691105), (30, 8573477), (33, 7794070), (55, 4676442), (66, 3897035), (110, 2338221), (165, 1558814), (330, 779407), (743, 346170), (1049, 245190), (1486, 173085), (2098, 122595), (2229, 115390), (3147, 81730), (3715, 69234), (4458, 57695), (5245, 49038), (6294, 40865), (7430, 34617), (8173, 31470), (10490, 24519), (11145, 23078), (11539, 22290), (15735, 16346)]