19864600

素因数分解:

$2^3\times 5^2\times 7^2\times {\mathrm{2027}}^1$

素因数の和:2057

約数の個数: 72

約数和(自身を含む): 53752140

約数和(自身を除く): 33887540

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 49, 50, 56, 70, 98, 100, 140, 175, 196, 200, 245, 280, 350, 392, 490, 700, 980, 1225, 1400, 1960, 2027, 2450, 4054, 4900, 8108, 9800, 10135, 14189, 16216, 20270, 28378, 40540, 50675, 56756, 70945, 81080, 99323, 101350, 113512, 141890, 198646, 202700, 283780, 354725, 397292, 405400, 496615, 567560, 709450, 794584, 993230, 1418900, 1986460, 2483075, 2837800, 3972920, 4966150, 9932300, 19864600]

約数ペア:

[(1, 19864600), (2, 9932300), (4, 4966150), (5, 3972920), (7, 2837800), (8, 2483075), (10, 1986460), (14, 1418900), (20, 993230), (25, 794584), (28, 709450), (35, 567560), (40, 496615), (49, 405400), (50, 397292), (56, 354725), (70, 283780), (98, 202700), (100, 198646), (140, 141890), (175, 113512), (196, 101350), (200, 99323), (245, 81080), (280, 70945), (350, 56756), (392, 50675), (490, 40540), (700, 28378), (980, 20270), (1225, 16216), (1400, 14189), (1960, 10135), (2027, 9800), (2450, 8108), (4054, 4900)]