84744380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{20873}}^1$

素因数の和:20918

約数の個数: 48

約数和(自身を含む): 210409920

約数和(自身を除く): 125665540

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 812, 1015, 2030, 4060, 20873, 41746, 83492, 104365, 146111, 208730, 292222, 417460, 584444, 605317, 730555, 1210634, 1461110, 2421268, 2922220, 3026585, 4237219, 6053170, 8474438, 12106340, 16948876, 21186095, 42372190, 84744380]

約数ペア:

[(1, 84744380), (2, 42372190), (4, 21186095), (5, 16948876), (7, 12106340), (10, 8474438), (14, 6053170), (20, 4237219), (28, 3026585), (29, 2922220), (35, 2421268), (58, 1461110), (70, 1210634), (116, 730555), (140, 605317), (145, 584444), (203, 417460), (290, 292222), (406, 208730), (580, 146111), (812, 104365), (1015, 83492), (2030, 41746), (4060, 20873)]