28931000

素因数分解:

$2^3\times 5^3\times 7^1\times {\mathrm{4133}}^1$

素因数の和:4161

約数の個数: 64

約数和(自身を含む): 77388480

約数和(自身を除く): 48457480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 125, 140, 175, 200, 250, 280, 350, 500, 700, 875, 1000, 1400, 1750, 3500, 4133, 7000, 8266, 16532, 20665, 28931, 33064, 41330, 57862, 82660, 103325, 115724, 144655, 165320, 206650, 231448, 289310, 413300, 516625, 578620, 723275, 826600, 1033250, 1157240, 1446550, 2066500, 2893100, 3616375, 4133000, 5786200, 7232750, 14465500, 28931000]

約数ペア:

[(1, 28931000), (2, 14465500), (4, 7232750), (5, 5786200), (7, 4133000), (8, 3616375), (10, 2893100), (14, 2066500), (20, 1446550), (25, 1157240), (28, 1033250), (35, 826600), (40, 723275), (50, 578620), (56, 516625), (70, 413300), (100, 289310), (125, 231448), (140, 206650), (175, 165320), (200, 144655), (250, 115724), (280, 103325), (350, 82660), (500, 57862), (700, 41330), (875, 33064), (1000, 28931), (1400, 20665), (1750, 16532), (3500, 8266), (4133, 7000)]