353442260

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{248903}}^1$

素因数の和:248983

約数の個数: 24

約数和(自身を含む): 752685696

約数和(自身を除く): 399243436

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 248903, 497806, 995612, 1244515, 2489030, 4978060, 17672113, 35344226, 70688452, 88360565, 176721130, 353442260]

約数ペア:

[(1, 353442260), (2, 176721130), (4, 88360565), (5, 70688452), (10, 35344226), (20, 17672113), (71, 4978060), (142, 2489030), (284, 1244515), (355, 995612), (710, 497806), (1420, 248903)]