28928620

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{4217}}^1$

素因数の和:4247

約数の個数: 48

約数和(自身を含む): 70862400

約数和(自身を除く): 41933780

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 3430, 4217, 6860, 8434, 16868, 21085, 29519, 42170, 59038, 84340, 118076, 147595, 206633, 295190, 413266, 590380, 826532, 1033165, 1446431, 2066330, 2892862, 4132660, 5785724, 7232155, 14464310, 28928620]

約数ペア:

[(1, 28928620), (2, 14464310), (4, 7232155), (5, 5785724), (7, 4132660), (10, 2892862), (14, 2066330), (20, 1446431), (28, 1033165), (35, 826532), (49, 590380), (70, 413266), (98, 295190), (140, 206633), (196, 147595), (245, 118076), (343, 84340), (490, 59038), (686, 42170), (980, 29519), (1372, 21085), (1715, 16868), (3430, 8434), (4217, 6860)]