201895480

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{307}}^1\times {\mathrm{401}}^1$

素因数の和:760

約数の個数: 64

約数和(自身を含む): 468024480

約数和(自身を除く): 266129000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 307, 328, 401, 410, 614, 802, 820, 1228, 1535, 1604, 1640, 2005, 2456, 3070, 3208, 4010, 6140, 8020, 12280, 12587, 16040, 16441, 25174, 32882, 50348, 62935, 65764, 82205, 100696, 123107, 125870, 131528, 164410, 246214, 251740, 328820, 492428, 503480, 615535, 657640, 984856, 1231070, 2462140, 4924280, 5047387, 10094774, 20189548, 25236935, 40379096, 50473870, 100947740, 201895480]

約数ペア:

[(1, 201895480), (2, 100947740), (4, 50473870), (5, 40379096), (8, 25236935), (10, 20189548), (20, 10094774), (40, 5047387), (41, 4924280), (82, 2462140), (164, 1231070), (205, 984856), (307, 657640), (328, 615535), (401, 503480), (410, 492428), (614, 328820), (802, 251740), (820, 246214), (1228, 164410), (1535, 131528), (1604, 125870), (1640, 123107), (2005, 100696), (2456, 82205), (3070, 65764), (3208, 62935), (4010, 50348), (6140, 32882), (8020, 25174), (12280, 16441), (12587, 16040)]