7428400

素因数分解:

$2^4\times 5^2\times 7^2\times {\mathrm{379}}^1$

素因数の和:411

約数の個数: 90

約数和(自身を含む): 20815260

約数和(自身を除く): 13386860

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, 379, 392, 400, 490, 560, 700, 758, 784, 980, 1225, 1400, 1516, 1895, 1960, 2450, 2653, 2800, 3032, 3790, 3920, 4900, 5306, 6064, 7580, 9475, 9800, 10612, 13265, 15160, 18571, 18950, 19600, 21224, 26530, 30320, 37142, 37900, 42448, 53060, 66325, 74284, 75800, 92855, 106120, 132650, 148568, 151600, 185710, 212240, 265300, 297136, 371420, 464275, 530600, 742840, 928550, 1061200, 1485680, 1857100, 3714200, 7428400]

約数ペア:

[(1, 7428400), (2, 3714200), (4, 1857100), (5, 1485680), (7, 1061200), (8, 928550), (10, 742840), (14, 530600), (16, 464275), (20, 371420), (25, 297136), (28, 265300), (35, 212240), (40, 185710), (49, 151600), (50, 148568), (56, 132650), (70, 106120), (80, 92855), (98, 75800), (100, 74284), (112, 66325), (140, 53060), (175, 42448), (196, 37900), (200, 37142), (245, 30320), (280, 26530), (350, 21224), (379, 19600), (392, 18950), (400, 18571), (490, 15160), (560, 13265), (700, 10612), (758, 9800), (784, 9475), (980, 7580), (1225, 6064), (1400, 5306), (1516, 4900), (1895, 3920), (1960, 3790), (2450, 3032), (2653, 2800)]