208431160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{744397}}^1$

素因数の和:744415

約数の個数: 32

約数和(自身を含む): 535966560

約数和(自身を除く): 327535400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 744397, 1488794, 2977588, 3721985, 5210779, 5955176, 7443970, 10421558, 14887940, 20843116, 26053895, 29775880, 41686232, 52107790, 104215580, 208431160]

約数ペア:

[(1, 208431160), (2, 104215580), (4, 52107790), (5, 41686232), (7, 29775880), (8, 26053895), (10, 20843116), (14, 14887940), (20, 10421558), (28, 7443970), (35, 5955176), (40, 5210779), (56, 3721985), (70, 2977588), (140, 1488794), (280, 744397)]