858705980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{83047}}^1$

素因数の和:83114

約数の個数: 48

約数和(自身を含む): 2009097216

約数和(自身を除く): 1150391236

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 47, 55, 94, 110, 188, 220, 235, 470, 517, 940, 1034, 2068, 2585, 5170, 10340, 83047, 166094, 332188, 415235, 830470, 913517, 1660940, 1827034, 3654068, 3903209, 4567585, 7806418, 9135170, 15612836, 18270340, 19516045, 39032090, 42935299, 78064180, 85870598, 171741196, 214676495, 429352990, 858705980]

約数ペア:

[(1, 858705980), (2, 429352990), (4, 214676495), (5, 171741196), (10, 85870598), (11, 78064180), (20, 42935299), (22, 39032090), (44, 19516045), (47, 18270340), (55, 15612836), (94, 9135170), (110, 7806418), (188, 4567585), (220, 3903209), (235, 3654068), (470, 1827034), (517, 1660940), (940, 913517), (1034, 830470), (2068, 415235), (2585, 332188), (5170, 166094), (10340, 83047)]