274243580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{443}}^1\times {\mathrm{2381}}^1$

素因数の和:2846

約数の個数: 48

約数和(自身を含む): 621873504

約数和(自身を除く): 347629924

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 443, 886, 1772, 2215, 2381, 4430, 4762, 5759, 8860, 9524, 11518, 11905, 23036, 23810, 28795, 30953, 47620, 57590, 61906, 115180, 123812, 154765, 309530, 619060, 1054783, 2109566, 4219132, 5273915, 10547830, 13712179, 21095660, 27424358, 54848716, 68560895, 137121790, 274243580]

約数ペア:

[(1, 274243580), (2, 137121790), (4, 68560895), (5, 54848716), (10, 27424358), (13, 21095660), (20, 13712179), (26, 10547830), (52, 5273915), (65, 4219132), (130, 2109566), (260, 1054783), (443, 619060), (886, 309530), (1772, 154765), (2215, 123812), (2381, 115180), (4430, 61906), (4762, 57590), (5759, 47620), (8860, 30953), (9524, 28795), (11518, 23810), (11905, 23036)]