828339740

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{821}}^1\times {\mathrm{827}}^1$

素因数の和:1718

約数の個数: 48

約数和(自身を含む): 1772324064

約数和(自身を除く): 943984324

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 821, 827, 1220, 1642, 1654, 3284, 3308, 4105, 4135, 8210, 8270, 16420, 16540, 50081, 50447, 100162, 100894, 200324, 201788, 250405, 252235, 500810, 504470, 678967, 1001620, 1008940, 1357934, 2715868, 3394835, 6789670, 13579340, 41416987, 82833974, 165667948, 207084935, 414169870, 828339740]

約数ペア:

[(1, 828339740), (2, 414169870), (4, 207084935), (5, 165667948), (10, 82833974), (20, 41416987), (61, 13579340), (122, 6789670), (244, 3394835), (305, 2715868), (610, 1357934), (821, 1008940), (827, 1001620), (1220, 678967), (1642, 504470), (1654, 500810), (3284, 252235), (3308, 250405), (4105, 201788), (4135, 200324), (8210, 100894), (8270, 100162), (16420, 50447), (16540, 50081)]