138381200

素因数分解:

$2^4\times 5^2\times {\mathrm{345953}}^1$

素因数の和:345971

約数の個数: 30

約数和(自身を含む): 332461794

約数和(自身を除く): 194080594

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 345953, 691906, 1383812, 1729765, 2767624, 3459530, 5535248, 6919060, 8648825, 13838120, 17297650, 27676240, 34595300, 69190600, 138381200]

約数ペア:

[(1, 138381200), (2, 69190600), (4, 34595300), (5, 27676240), (8, 17297650), (10, 13838120), (16, 8648825), (20, 6919060), (25, 5535248), (40, 3459530), (50, 2767624), (80, 1729765), (100, 1383812), (200, 691906), (400, 345953)]