99942640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{178469}}^1$

素因数の和:178489

約数の個数: 40

約数和(自身を含む): 265563360

約数和(自身を除く): 165620720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 178469, 356938, 713876, 892345, 1249283, 1427752, 1784690, 2498566, 2855504, 3569380, 4997132, 6246415, 7138760, 9994264, 12492830, 14277520, 19988528, 24985660, 49971320, 99942640]

約数ペア:

[(1, 99942640), (2, 49971320), (4, 24985660), (5, 19988528), (7, 14277520), (8, 12492830), (10, 9994264), (14, 7138760), (16, 6246415), (20, 4997132), (28, 3569380), (35, 2855504), (40, 2498566), (56, 1784690), (70, 1427752), (80, 1249283), (112, 892345), (140, 713876), (280, 356938), (560, 178469)]