201780290

素因数分解:

$2^1\times 5^1\times {\mathrm{907}}^1\times {\mathrm{22247}}^1$

素因数の和:23161

約数の個数: 16

約数和(自身を含む): 363621312

約数和(自身を除く): 161841022

約数列:

[1, 2, 5, 10, 907, 1814, 4535, 9070, 22247, 44494, 111235, 222470, 20178029, 40356058, 100890145, 201780290]

約数ペア:

[(1, 201780290), (2, 100890145), (5, 40356058), (10, 20178029), (907, 222470), (1814, 111235), (4535, 44494), (9070, 22247)]