408086260

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{821}}^1\times {\mathrm{857}}^1$

素因数の和:1716

約数の個数: 48

約数和(自身を含む): 888647760

約数和(自身を除く): 480561500

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 821, 857, 1642, 1714, 3284, 3428, 4105, 4285, 8210, 8570, 16420, 17140, 23809, 24853, 47618, 49706, 95236, 99412, 119045, 124265, 238090, 248530, 476180, 497060, 703597, 1407194, 2814388, 3517985, 7035970, 14071940, 20404313, 40808626, 81617252, 102021565, 204043130, 408086260]

約数ペア:

[(1, 408086260), (2, 204043130), (4, 102021565), (5, 81617252), (10, 40808626), (20, 20404313), (29, 14071940), (58, 7035970), (116, 3517985), (145, 2814388), (290, 1407194), (580, 703597), (821, 497060), (857, 476180), (1642, 248530), (1714, 238090), (3284, 124265), (3428, 119045), (4105, 99412), (4285, 95236), (8210, 49706), (8570, 47618), (16420, 24853), (17140, 23809)]