1901200

素因数分解:

$2^4\times 5^2\times 7^2\times {\mathrm{97}}^1$

素因数の和:129

約数の個数: 90

約数和(自身を含む): 5368146

約数和(自身を除く): 3466946

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 49, 50, 56, 70, 80, 97, 98, 100, 112, 140, 175, 194, 196, 200, 245, 280, 350, 388, 392, 400, 485, 490, 560, 679, 700, 776, 784, 970, 980, 1225, 1358, 1400, 1552, 1940, 1960, 2425, 2450, 2716, 2800, 3395, 3880, 3920, 4753, 4850, 4900, 5432, 6790, 7760, 9506, 9700, 9800, 10864, 13580, 16975, 19012, 19400, 19600, 23765, 27160, 33950, 38024, 38800, 47530, 54320, 67900, 76048, 95060, 118825, 135800, 190120, 237650, 271600, 380240, 475300, 950600, 1901200]

約数ペア:

[(1, 1901200), (2, 950600), (4, 475300), (5, 380240), (7, 271600), (8, 237650), (10, 190120), (14, 135800), (16, 118825), (20, 95060), (25, 76048), (28, 67900), (35, 54320), (40, 47530), (49, 38800), (50, 38024), (56, 33950), (70, 27160), (80, 23765), (97, 19600), (98, 19400), (100, 19012), (112, 16975), (140, 13580), (175, 10864), (194, 9800), (196, 9700), (200, 9506), (245, 7760), (280, 6790), (350, 5432), (388, 4900), (392, 4850), (400, 4753), (485, 3920), (490, 3880), (560, 3395), (679, 2800), (700, 2716), (776, 2450), (784, 2425), (970, 1960), (980, 1940), (1225, 1552), (1358, 1400)]