28116340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{4273}}^1$

素因数の和:4336

約数の個数: 48

約数和(自身を含む): 68931072

約数和(自身を除く): 40814732

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 70, 94, 140, 188, 235, 329, 470, 658, 940, 1316, 1645, 3290, 4273, 6580, 8546, 17092, 21365, 29911, 42730, 59822, 85460, 119644, 149555, 200831, 299110, 401662, 598220, 803324, 1004155, 1405817, 2008310, 2811634, 4016620, 5623268, 7029085, 14058170, 28116340]

約数ペア:

[(1, 28116340), (2, 14058170), (4, 7029085), (5, 5623268), (7, 4016620), (10, 2811634), (14, 2008310), (20, 1405817), (28, 1004155), (35, 803324), (47, 598220), (70, 401662), (94, 299110), (140, 200831), (188, 149555), (235, 119644), (329, 85460), (470, 59822), (658, 42730), (940, 29911), (1316, 21365), (1645, 17092), (3290, 8546), (4273, 6580)]