207769880

素因数分解:

$2^3\times 5^1\times {\mathrm{691}}^1\times {\mathrm{7517}}^1$

素因数の和:8219

約数の個数: 32

約数和(自身を含む): 468221040

約数和(自身を除く): 260451160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 691, 1382, 2764, 3455, 5528, 6910, 7517, 13820, 15034, 27640, 30068, 37585, 60136, 75170, 150340, 300680, 5194247, 10388494, 20776988, 25971235, 41553976, 51942470, 103884940, 207769880]

約数ペア:

[(1, 207769880), (2, 103884940), (4, 51942470), (5, 41553976), (8, 25971235), (10, 20776988), (20, 10388494), (40, 5194247), (691, 300680), (1382, 150340), (2764, 75170), (3455, 60136), (5528, 37585), (6910, 30068), (7517, 27640), (13820, 15034)]