201232220

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{205339}}^1$

素因数の和:205362

約数の個数: 36

約数和(自身を含む): 491583960

約数和(自身を除く): 290351740

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 205339, 410678, 821356, 1026695, 1437373, 2053390, 2874746, 4106780, 5749492, 7186865, 10061611, 14373730, 20123222, 28747460, 40246444, 50308055, 100616110, 201232220]

約数ペア:

[(1, 201232220), (2, 100616110), (4, 50308055), (5, 40246444), (7, 28747460), (10, 20123222), (14, 14373730), (20, 10061611), (28, 7186865), (35, 5749492), (49, 4106780), (70, 2874746), (98, 2053390), (140, 1437373), (196, 1026695), (245, 821356), (490, 410678), (980, 205339)]