198378320

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{354247}}^1$

素因数の和:354267

約数の個数: 40

約数和(自身を含む): 527121024

約数和(自身を除く): 328742704

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 354247, 708494, 1416988, 1771235, 2479729, 2833976, 3542470, 4959458, 5667952, 7084940, 9918916, 12398645, 14169880, 19837832, 24797290, 28339760, 39675664, 49594580, 99189160, 198378320]

約数ペア:

[(1, 198378320), (2, 99189160), (4, 49594580), (5, 39675664), (7, 28339760), (8, 24797290), (10, 19837832), (14, 14169880), (16, 12398645), (20, 9918916), (28, 7084940), (35, 5667952), (40, 4959458), (56, 3542470), (70, 2833976), (80, 2479729), (112, 1771235), (140, 1416988), (280, 708494), (560, 354247)]