199903670

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{263}}^1\times {\mathrm{2621}}^1$

素因数の和:2920

約数の個数: 32

約数和(自身を含む): 373792320

約数和(自身を除く): 173888650

約数列:

[1, 2, 5, 10, 29, 58, 145, 263, 290, 526, 1315, 2621, 2630, 5242, 7627, 13105, 15254, 26210, 38135, 76009, 76270, 152018, 380045, 689323, 760090, 1378646, 3446615, 6893230, 19990367, 39980734, 99951835, 199903670]

約数ペア:

[(1, 199903670), (2, 99951835), (5, 39980734), (10, 19990367), (29, 6893230), (58, 3446615), (145, 1378646), (263, 760090), (290, 689323), (526, 380045), (1315, 152018), (2621, 76270), (2630, 76009), (5242, 38135), (7627, 26210), (13105, 15254)]