207937540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{21089}}^1$

素因数の和:21144

約数の個数: 48

約数和(自身を含む): 478321200

約数和(自身を除く): 270383660

約数列:

[1, 2, 4, 5, 10, 17, 20, 29, 34, 58, 68, 85, 116, 145, 170, 290, 340, 493, 580, 986, 1972, 2465, 4930, 9860, 21089, 42178, 84356, 105445, 210890, 358513, 421780, 611581, 717026, 1223162, 1434052, 1792565, 2446324, 3057905, 3585130, 6115810, 7170260, 10396877, 12231620, 20793754, 41587508, 51984385, 103968770, 207937540]

約数ペア:

[(1, 207937540), (2, 103968770), (4, 51984385), (5, 41587508), (10, 20793754), (17, 12231620), (20, 10396877), (29, 7170260), (34, 6115810), (58, 3585130), (68, 3057905), (85, 2446324), (116, 1792565), (145, 1434052), (170, 1223162), (290, 717026), (340, 611581), (493, 421780), (580, 358513), (986, 210890), (1972, 105445), (2465, 84356), (4930, 42178), (9860, 21089)]