393357680

素因数分解:

$2^4\times 5^1\times {\mathrm{107}}^1\times {\mathrm{45953}}^1$

素因数の和:46073

約数の個数: 40

約数和(自身を含む): 923123952

約数和(自身を除く): 529766272

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 107, 214, 428, 535, 856, 1070, 1712, 2140, 4280, 8560, 45953, 91906, 183812, 229765, 367624, 459530, 735248, 919060, 1838120, 3676240, 4916971, 9833942, 19667884, 24584855, 39335768, 49169710, 78671536, 98339420, 196678840, 393357680]

約数ペア:

[(1, 393357680), (2, 196678840), (4, 98339420), (5, 78671536), (8, 49169710), (10, 39335768), (16, 24584855), (20, 19667884), (40, 9833942), (80, 4916971), (107, 3676240), (214, 1838120), (428, 919060), (535, 735248), (856, 459530), (1070, 367624), (1712, 229765), (2140, 183812), (4280, 91906), (8560, 45953)]