27890170

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{1249}}^1$

素因数の和:1303

約数の個数: 64

約数和(自身を含む): 64800000

約数和(自身を除く): 36909830

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 29, 35, 55, 58, 70, 77, 110, 145, 154, 203, 290, 319, 385, 406, 638, 770, 1015, 1249, 1595, 2030, 2233, 2498, 3190, 4466, 6245, 8743, 11165, 12490, 13739, 17486, 22330, 27478, 36221, 43715, 68695, 72442, 87430, 96173, 137390, 181105, 192346, 253547, 362210, 398431, 480865, 507094, 796862, 961730, 1267735, 1992155, 2535470, 2789017, 3984310, 5578034, 13945085, 27890170]

約数ペア:

[(1, 27890170), (2, 13945085), (5, 5578034), (7, 3984310), (10, 2789017), (11, 2535470), (14, 1992155), (22, 1267735), (29, 961730), (35, 796862), (55, 507094), (58, 480865), (70, 398431), (77, 362210), (110, 253547), (145, 192346), (154, 181105), (203, 137390), (290, 96173), (319, 87430), (385, 72442), (406, 68695), (638, 43715), (770, 36221), (1015, 27478), (1249, 22330), (1595, 17486), (2030, 13739), (2233, 12490), (2498, 11165), (3190, 8743), (4466, 6245)]