78289270

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{2621}}^1$

素因数の和:2760

約数の個数: 32

約数和(自身を含む): 147251520

約数和(自身を除く): 68962250

約数列:

[1, 2, 5, 10, 29, 58, 103, 145, 206, 290, 515, 1030, 2621, 2987, 5242, 5974, 13105, 14935, 26210, 29870, 76009, 152018, 269963, 380045, 539926, 760090, 1349815, 2699630, 7828927, 15657854, 39144635, 78289270]

約数ペア:

[(1, 78289270), (2, 39144635), (5, 15657854), (10, 7828927), (29, 2699630), (58, 1349815), (103, 760090), (145, 539926), (206, 380045), (290, 269963), (515, 152018), (1030, 76009), (2621, 29870), (2987, 26210), (5242, 14935), (5974, 13105)]