238682020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{6311}}^1$

素因数の和:6412

約数の個数: 48

約数和(自身を含む): 525966336

約数和(自身を除く): 287284316

約数列:

[1, 2, 4, 5, 10, 20, 31, 61, 62, 122, 124, 155, 244, 305, 310, 610, 620, 1220, 1891, 3782, 6311, 7564, 9455, 12622, 18910, 25244, 31555, 37820, 63110, 126220, 195641, 384971, 391282, 769942, 782564, 978205, 1539884, 1924855, 1956410, 3849710, 3912820, 7699420, 11934101, 23868202, 47736404, 59670505, 119341010, 238682020]

約数ペア:

[(1, 238682020), (2, 119341010), (4, 59670505), (5, 47736404), (10, 23868202), (20, 11934101), (31, 7699420), (61, 3912820), (62, 3849710), (122, 1956410), (124, 1924855), (155, 1539884), (244, 978205), (305, 782564), (310, 769942), (610, 391282), (620, 384971), (1220, 195641), (1891, 126220), (3782, 63110), (6311, 37820), (7564, 31555), (9455, 25244), (12622, 18910)]