7781200

素因数分解:

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

素因数の和:429

約数の個数: 90

約数和(自身を含む): 21801246

約数和(自身を除く): 14020046

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, 140, 175, 196, 200, 245, 280, 350, 392, 397, 400, 490, 560, 700, 784, 794, 980, 1225, 1400, 1588, 1960, 1985, 2450, 2779, 2800, 3176, 3920, 3970, 4900, 5558, 6352, 7940, 9800, 9925, 11116, 13895, 15880, 19453, 19600, 19850, 22232, 27790, 31760, 38906, 39700, 44464, 55580, 69475, 77812, 79400, 97265, 111160, 138950, 155624, 158800, 194530, 222320, 277900, 311248, 389060, 486325, 555800, 778120, 972650, 1111600, 1556240, 1945300, 3890600, 7781200]

約数ペア:

[(1, 7781200), (2, 3890600), (4, 1945300), (5, 1556240), (7, 1111600), (8, 972650), (10, 778120), (14, 555800), (16, 486325), (20, 389060), (25, 311248), (28, 277900), (35, 222320), (40, 194530), (49, 158800), (50, 155624), (56, 138950), (70, 111160), (80, 97265), (98, 79400), (100, 77812), (112, 69475), (140, 55580), (175, 44464), (196, 39700), (200, 38906), (245, 31760), (280, 27790), (350, 22232), (392, 19850), (397, 19600), (400, 19453), (490, 15880), (560, 13895), (700, 11116), (784, 9925), (794, 9800), (980, 7940), (1225, 6352), (1400, 5558), (1588, 4900), (1960, 3970), (1985, 3920), (2450, 3176), (2779, 2800)]