200205904

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{205129}}^1$

素因数の和:205198

約数の個数: 20

約数和(自身を含む): 394259860

約数和(自身を除く): 194053956

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 205129, 410258, 820516, 1641032, 3282064, 12512869, 25025738, 50051476, 100102952, 200205904]

約数ペア:

[(1, 200205904), (2, 100102952), (4, 50051476), (8, 25025738), (16, 12512869), (61, 3282064), (122, 1641032), (244, 820516), (488, 410258), (976, 205129)]