219768080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{392443}}^1$

素因数の和:392463

約数の個数: 40

約数和(自身を含む): 583956672

約数和(自身を除く): 364188592

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 392443, 784886, 1569772, 1962215, 2747101, 3139544, 3924430, 5494202, 6279088, 7848860, 10988404, 13735505, 15697720, 21976808, 27471010, 31395440, 43953616, 54942020, 109884040, 219768080]

約数ペア:

[(1, 219768080), (2, 109884040), (4, 54942020), (5, 43953616), (7, 31395440), (8, 27471010), (10, 21976808), (14, 15697720), (16, 13735505), (20, 10988404), (28, 7848860), (35, 6279088), (40, 5494202), (56, 3924430), (70, 3139544), (80, 2747101), (112, 1962215), (140, 1569772), (280, 784886), (560, 392443)]