28106680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{2713}}^1$

素因数の和:2768

約数の個数: 64

約数和(自身を含む): 74255040

約数和(自身を除く): 46148360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 37, 40, 56, 70, 74, 140, 148, 185, 259, 280, 296, 370, 518, 740, 1036, 1295, 1480, 2072, 2590, 2713, 5180, 5426, 10360, 10852, 13565, 18991, 21704, 27130, 37982, 54260, 75964, 94955, 100381, 108520, 151928, 189910, 200762, 379820, 401524, 501905, 702667, 759640, 803048, 1003810, 1405334, 2007620, 2810668, 3513335, 4015240, 5621336, 7026670, 14053340, 28106680]

約数ペア:

[(1, 28106680), (2, 14053340), (4, 7026670), (5, 5621336), (7, 4015240), (8, 3513335), (10, 2810668), (14, 2007620), (20, 1405334), (28, 1003810), (35, 803048), (37, 759640), (40, 702667), (56, 501905), (70, 401524), (74, 379820), (140, 200762), (148, 189910), (185, 151928), (259, 108520), (280, 100381), (296, 94955), (370, 75964), (518, 54260), (740, 37982), (1036, 27130), (1295, 21704), (1480, 18991), (2072, 13565), (2590, 10852), (2713, 10360), (5180, 5426)]