19453000

素因数分解:

$2^3\times 5^3\times 7^2\times {\mathrm{397}}^1$

素因数の和:432

約数の個数: 96

約数和(自身を含む): 53085240

約数和(自身を除く): 33632240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 49, 50, 56, 70, 98, 100, 125, 140, 175, 196, 200, 245, 250, 280, 350, 392, 397, 490, 500, 700, 794, 875, 980, 1000, 1225, 1400, 1588, 1750, 1960, 1985, 2450, 2779, 3176, 3500, 3970, 4900, 5558, 6125, 7000, 7940, 9800, 9925, 11116, 12250, 13895, 15880, 19453, 19850, 22232, 24500, 27790, 38906, 39700, 49000, 49625, 55580, 69475, 77812, 79400, 97265, 99250, 111160, 138950, 155624, 194530, 198500, 277900, 347375, 389060, 397000, 486325, 555800, 694750, 778120, 972650, 1389500, 1945300, 2431625, 2779000, 3890600, 4863250, 9726500, 19453000]

約数ペア:

[(1, 19453000), (2, 9726500), (4, 4863250), (5, 3890600), (7, 2779000), (8, 2431625), (10, 1945300), (14, 1389500), (20, 972650), (25, 778120), (28, 694750), (35, 555800), (40, 486325), (49, 397000), (50, 389060), (56, 347375), (70, 277900), (98, 198500), (100, 194530), (125, 155624), (140, 138950), (175, 111160), (196, 99250), (200, 97265), (245, 79400), (250, 77812), (280, 69475), (350, 55580), (392, 49625), (397, 49000), (490, 39700), (500, 38906), (700, 27790), (794, 24500), (875, 22232), (980, 19850), (1000, 19453), (1225, 15880), (1400, 13895), (1588, 12250), (1750, 11116), (1960, 9925), (1985, 9800), (2450, 7940), (2779, 7000), (3176, 6125), (3500, 5558), (3970, 4900)]