90841100

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{18539}}^1$

素因数の和:18567

約数の個数: 54

約数和(自身を含む): 229321260

約数和(自身を除く): 138480160

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 140, 175, 196, 245, 350, 490, 700, 980, 1225, 2450, 4900, 18539, 37078, 74156, 92695, 129773, 185390, 259546, 370780, 463475, 519092, 648865, 908411, 926950, 1297730, 1816822, 1853900, 2595460, 3244325, 3633644, 4542055, 6488650, 9084110, 12977300, 18168220, 22710275, 45420550, 90841100]

約数ペア:

[(1, 90841100), (2, 45420550), (4, 22710275), (5, 18168220), (7, 12977300), (10, 9084110), (14, 6488650), (20, 4542055), (25, 3633644), (28, 3244325), (35, 2595460), (49, 1853900), (50, 1816822), (70, 1297730), (98, 926950), (100, 908411), (140, 648865), (175, 519092), (196, 463475), (245, 370780), (350, 259546), (490, 185390), (700, 129773), (980, 92695), (1225, 74156), (2450, 37078), (4900, 18539)]