1878563740

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{829}}^1\times {\mathrm{3907}}^1$

素因数の和:4774

約数の個数: 48

約数和(自身を含む): 4086986400

約数和(自身を除く): 2208422660

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 829, 1658, 3316, 3907, 4145, 7814, 8290, 15628, 16580, 19535, 24041, 39070, 48082, 78140, 96164, 113303, 120205, 226606, 240410, 453212, 480820, 566515, 1133030, 2266060, 3238903, 6477806, 12955612, 16194515, 32389030, 64778060, 93928187, 187856374, 375712748, 469640935, 939281870, 1878563740]

約数ペア:

[(1, 1878563740), (2, 939281870), (4, 469640935), (5, 375712748), (10, 187856374), (20, 93928187), (29, 64778060), (58, 32389030), (116, 16194515), (145, 12955612), (290, 6477806), (580, 3238903), (829, 2266060), (1658, 1133030), (3316, 566515), (3907, 480820), (4145, 453212), (7814, 240410), (8290, 226606), (15628, 120205), (16580, 113303), (19535, 96164), (24041, 78140), (39070, 48082)]