7785320

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{107}}^2$

素因数の和:242

約数の個数: 48

約数和(自身を含む): 18722340

約数和(自身を除く): 10937020

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 107, 136, 170, 214, 340, 428, 535, 680, 856, 1070, 1819, 2140, 3638, 4280, 7276, 9095, 11449, 14552, 18190, 22898, 36380, 45796, 57245, 72760, 91592, 114490, 194633, 228980, 389266, 457960, 778532, 973165, 1557064, 1946330, 3892660, 7785320]

約数ペア:

[(1, 7785320), (2, 3892660), (4, 1946330), (5, 1557064), (8, 973165), (10, 778532), (17, 457960), (20, 389266), (34, 228980), (40, 194633), (68, 114490), (85, 91592), (107, 72760), (136, 57245), (170, 45796), (214, 36380), (340, 22898), (428, 18190), (535, 14552), (680, 11449), (856, 9095), (1070, 7276), (1819, 4280), (2140, 3638)]