68856898.000000000

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{90887}}^1$

素因数の和:90909

約数の個数: 48

約数和(自身を含む): 274845312

約数和(自身を除く): 173051872

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 90887, 181774, 363548, 454435, 636209, 727096, 908870, 1272418, 1454192, 1817740, 2544836, 2908384, 3181045, 3635480, 5089672, 6362090, 7270960, 10179344, 12724180, 14541920, 20358688, 25448360, 50896720, 101793440]

約数ペア:

[(1, 101793440), (2, 50896720), (4, 25448360), (5, 20358688), (7, 14541920), (8, 12724180), (10, 10179344), (14, 7270960), (16, 6362090), (20, 5089672), (28, 3635480), (32, 3181045), (35, 2908384), (40, 2544836), (56, 1817740), (70, 1454192), (80, 1272418), (112, 908870), (140, 727096), (160, 636209), (224, 454435), (280, 363548), (560, 181774), (1120, 90887)]