887139010

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{21997}}^1$

素因数の和:22150

約数の個数: 32

約数和(自身を含む): 1655129520

約数和(自身を除く): 767990510

約数列:

[1, 2, 5, 10, 37, 74, 109, 185, 218, 370, 545, 1090, 4033, 8066, 20165, 21997, 40330, 43994, 109985, 219970, 813889, 1627778, 2397673, 4069445, 4795346, 8138890, 11988365, 23976730, 88713901, 177427802, 443569505, 887139010]

約数ペア:

[(1, 887139010), (2, 443569505), (5, 177427802), (10, 88713901), (37, 23976730), (74, 11988365), (109, 8138890), (185, 4795346), (218, 4069445), (370, 2397673), (545, 1627778), (1090, 813889), (4033, 219970), (8066, 109985), (20165, 43994), (21997, 40330)]