1421000

素因数分解:

$2^3\times 5^3\times 7^2\times {\mathrm{29}}^1$

素因数の和:64

約数の個数: 96

約数和(自身を含む): 4001400

約数和(自身を除く): 2580400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 29, 35, 40, 49, 50, 56, 58, 70, 98, 100, 116, 125, 140, 145, 175, 196, 200, 203, 232, 245, 250, 280, 290, 350, 392, 406, 490, 500, 580, 700, 725, 812, 875, 980, 1000, 1015, 1160, 1225, 1400, 1421, 1450, 1624, 1750, 1960, 2030, 2450, 2842, 2900, 3500, 3625, 4060, 4900, 5075, 5684, 5800, 6125, 7000, 7105, 7250, 8120, 9800, 10150, 11368, 12250, 14210, 14500, 20300, 24500, 25375, 28420, 29000, 35525, 40600, 49000, 50750, 56840, 71050, 101500, 142100, 177625, 203000, 284200, 355250, 710500, 1421000]

約数ペア:

[(1, 1421000), (2, 710500), (4, 355250), (5, 284200), (7, 203000), (8, 177625), (10, 142100), (14, 101500), (20, 71050), (25, 56840), (28, 50750), (29, 49000), (35, 40600), (40, 35525), (49, 29000), (50, 28420), (56, 25375), (58, 24500), (70, 20300), (98, 14500), (100, 14210), (116, 12250), (125, 11368), (140, 10150), (145, 9800), (175, 8120), (196, 7250), (200, 7105), (203, 7000), (232, 6125), (245, 5800), (250, 5684), (280, 5075), (290, 4900), (350, 4060), (392, 3625), (406, 3500), (490, 2900), (500, 2842), (580, 2450), (700, 2030), (725, 1960), (812, 1750), (875, 1624), (980, 1450), (1000, 1421), (1015, 1400), (1160, 1225)]