61309220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{437923}}^1$

素因数の和:437939

約数の個数: 24

約数和(自身を含む): 147142464

約数和(自身を除く): 85833244

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 437923, 875846, 1751692, 2189615, 3065461, 4379230, 6130922, 8758460, 12261844, 15327305, 30654610, 61309220]

約数ペア:

[(1, 61309220), (2, 30654610), (4, 15327305), (5, 12261844), (7, 8758460), (10, 6130922), (14, 4379230), (20, 3065461), (28, 2189615), (35, 1751692), (70, 875846), (140, 437923)]