199315720

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{106019}}^1$

素因数の和:106077

約数の個数: 32

約数和(自身を含む): 458006400

約数和(自身を除く): 258690680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 106019, 212038, 424076, 530095, 848152, 1060190, 2120380, 4240760, 4982893, 9965786, 19931572, 24914465, 39863144, 49828930, 99657860, 199315720]

約数ペア:

[(1, 199315720), (2, 99657860), (4, 49828930), (5, 39863144), (8, 24914465), (10, 19931572), (20, 9965786), (40, 4982893), (47, 4240760), (94, 2120380), (188, 1060190), (235, 848152), (376, 530095), (470, 424076), (940, 212038), (1880, 106019)]