817883920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{1460507}}^1$

素因数の和:1460527

約数の個数: 40

約数和(自身を含む): 2173235904

約数和(自身を除く): 1355351984

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 1460507, 2921014, 5842028, 7302535, 10223549, 11684056, 14605070, 20447098, 23368112, 29210140, 40894196, 51117745, 58420280, 81788392, 102235490, 116840560, 163576784, 204470980, 408941960, 817883920]

約数ペア:

[(1, 817883920), (2, 408941960), (4, 204470980), (5, 163576784), (7, 116840560), (8, 102235490), (10, 81788392), (14, 58420280), (16, 51117745), (20, 40894196), (28, 29210140), (35, 23368112), (40, 20447098), (56, 14605070), (70, 11684056), (80, 10223549), (112, 7302535), (140, 5842028), (280, 2921014), (560, 1460507)]