305870540

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{3359}}^1$

素因数の和:3554

約数の個数: 48

約数和(自身を含む): 668908800

約数和(自身を除く): 363038260

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 157, 290, 314, 580, 628, 785, 1570, 3140, 3359, 4553, 6718, 9106, 13436, 16795, 18212, 22765, 33590, 45530, 67180, 91060, 97411, 194822, 389644, 487055, 527363, 974110, 1054726, 1948220, 2109452, 2636815, 5273630, 10547260, 15293527, 30587054, 61174108, 76467635, 152935270, 305870540]

約数ペア:

[(1, 305870540), (2, 152935270), (4, 76467635), (5, 61174108), (10, 30587054), (20, 15293527), (29, 10547260), (58, 5273630), (116, 2636815), (145, 2109452), (157, 1948220), (290, 1054726), (314, 974110), (580, 527363), (628, 487055), (785, 389644), (1570, 194822), (3140, 97411), (3359, 91060), (4553, 67180), (6718, 45530), (9106, 33590), (13436, 22765), (16795, 18212)]