521796380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1291}}^1\times {\mathrm{2887}}^1$

素因数の和:4194

約数の個数: 48

約数和(自身を含む): 1253715456

約数和(自身を除く): 731919076

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1291, 2582, 2887, 5164, 5774, 6455, 9037, 11548, 12910, 14435, 18074, 20209, 25820, 28870, 36148, 40418, 45185, 57740, 80836, 90370, 101045, 180740, 202090, 404180, 3727117, 7454234, 14908468, 18635585, 26089819, 37271170, 52179638, 74542340, 104359276, 130449095, 260898190, 521796380]

約数ペア:

[(1, 521796380), (2, 260898190), (4, 130449095), (5, 104359276), (7, 74542340), (10, 52179638), (14, 37271170), (20, 26089819), (28, 18635585), (35, 14908468), (70, 7454234), (140, 3727117), (1291, 404180), (2582, 202090), (2887, 180740), (5164, 101045), (5774, 90370), (6455, 80836), (9037, 57740), (11548, 45185), (12910, 40418), (14435, 36148), (18074, 28870), (20209, 25820)]