38906000

素因数分解:

$2^4\times 5^3\times 7^2\times {\mathrm{397}}^1$

素因数の和:434

約数の個数: 120

約数和(自身を含む): 109709496

約数和(自身を除く): 70803496

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 49, 50, 56, 70, 80, 98, 100, 112, 125, 140, 175, 196, 200, 245, 250, 280, 350, 392, 397, 400, 490, 500, 560, 700, 784, 794, 875, 980, 1000, 1225, 1400, 1588, 1750, 1960, 1985, 2000, 2450, 2779, 2800, 3176, 3500, 3920, 3970, 4900, 5558, 6125, 6352, 7000, 7940, 9800, 9925, 11116, 12250, 13895, 14000, 15880, 19453, 19600, 19850, 22232, 24500, 27790, 31760, 38906, 39700, 44464, 49000, 49625, 55580, 69475, 77812, 79400, 97265, 98000, 99250, 111160, 138950, 155624, 158800, 194530, 198500, 222320, 277900, 311248, 347375, 389060, 397000, 486325, 555800, 694750, 778120, 794000, 972650, 1111600, 1389500, 1556240, 1945300, 2431625, 2779000, 3890600, 4863250, 5558000, 7781200, 9726500, 19453000, 38906000]

約数ペア:

[(1, 38906000), (2, 19453000), (4, 9726500), (5, 7781200), (7, 5558000), (8, 4863250), (10, 3890600), (14, 2779000), (16, 2431625), (20, 1945300), (25, 1556240), (28, 1389500), (35, 1111600), (40, 972650), (49, 794000), (50, 778120), (56, 694750), (70, 555800), (80, 486325), (98, 397000), (100, 389060), (112, 347375), (125, 311248), (140, 277900), (175, 222320), (196, 198500), (200, 194530), (245, 158800), (250, 155624), (280, 138950), (350, 111160), (392, 99250), (397, 98000), (400, 97265), (490, 79400), (500, 77812), (560, 69475), (700, 55580), (784, 49625), (794, 49000), (875, 44464), (980, 39700), (1000, 38906), (1225, 31760), (1400, 27790), (1588, 24500), (1750, 22232), (1960, 19850), (1985, 19600), (2000, 19453), (2450, 15880), (2779, 14000), (2800, 13895), (3176, 12250), (3500, 11116), (3920, 9925), (3970, 9800), (4900, 7940), (5558, 7000), (6125, 6352)]