1851920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{3307}}^1$

素因数の和:3327

約数の個数: 40

約数和(自身を含む): 4922304

約数和(自身を除く): 3070384

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 3307, 6614, 13228, 16535, 23149, 26456, 33070, 46298, 52912, 66140, 92596, 115745, 132280, 185192, 231490, 264560, 370384, 462980, 925960, 1851920]

約数ペア:

[(1, 1851920), (2, 925960), (4, 462980), (5, 370384), (7, 264560), (8, 231490), (10, 185192), (14, 132280), (16, 115745), (20, 92596), (28, 66140), (35, 52912), (40, 46298), (56, 33070), (70, 26456), (80, 23149), (112, 16535), (140, 13228), (280, 6614), (560, 3307)]