213958640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{382069}}^1$

素因数の和:382089

約数の個数: 40

約数和(自身を含む): 568520160

約数和(自身を除く): 354561520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 382069, 764138, 1528276, 1910345, 2674483, 3056552, 3820690, 5348966, 6113104, 7641380, 10697932, 13372415, 15282760, 21395864, 26744830, 30565520, 42791728, 53489660, 106979320, 213958640]

約数ペア:

[(1, 213958640), (2, 106979320), (4, 53489660), (5, 42791728), (7, 30565520), (8, 26744830), (10, 21395864), (14, 15282760), (16, 13372415), (20, 10697932), (28, 7641380), (35, 6113104), (40, 5348966), (56, 3820690), (70, 3056552), (80, 2674483), (112, 1910345), (140, 1528276), (280, 764138), (560, 382069)]