61728860

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1\times {\mathrm{677}}^1$

素因数の和:830

約数の個数: 48

約数和(自身を含む): 133951104

約数和(自身を除く): 72222244

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 97, 188, 194, 235, 388, 470, 485, 677, 940, 970, 1354, 1940, 2708, 3385, 4559, 6770, 9118, 13540, 18236, 22795, 31819, 45590, 63638, 65669, 91180, 127276, 131338, 159095, 262676, 318190, 328345, 636380, 656690, 1313380, 3086443, 6172886, 12345772, 15432215, 30864430, 61728860]

約数ペア:

[(1, 61728860), (2, 30864430), (4, 15432215), (5, 12345772), (10, 6172886), (20, 3086443), (47, 1313380), (94, 656690), (97, 636380), (188, 328345), (194, 318190), (235, 262676), (388, 159095), (470, 131338), (485, 127276), (677, 91180), (940, 65669), (970, 63638), (1354, 45590), (1940, 31819), (2708, 22795), (3385, 18236), (4559, 13540), (6770, 9118)]