219628720

素因数分解:

$2^4\times 5^1\times {\mathrm{127}}^1\times {\mathrm{21617}}^1$

素因数の和:21757

約数の個数: 40

約数和(自身を含む): 514681344

約数和(自身を除く): 295052624

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 127, 254, 508, 635, 1016, 1270, 2032, 2540, 5080, 10160, 21617, 43234, 86468, 108085, 172936, 216170, 345872, 432340, 864680, 1729360, 2745359, 5490718, 10981436, 13726795, 21962872, 27453590, 43925744, 54907180, 109814360, 219628720]

約数ペア:

[(1, 219628720), (2, 109814360), (4, 54907180), (5, 43925744), (8, 27453590), (10, 21962872), (16, 13726795), (20, 10981436), (40, 5490718), (80, 2745359), (127, 1729360), (254, 864680), (508, 432340), (635, 345872), (1016, 216170), (1270, 172936), (2032, 108085), (2540, 86468), (5080, 43234), (10160, 21617)]