79458400

素因数分解:

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

素因数の和:2061

約数の個数: 108

約数和(自身を含む): 225758988

約数和(自身を除く): 146300588

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 49, 50, 56, 70, 80, 98, 100, 112, 140, 160, 175, 196, 200, 224, 245, 280, 350, 392, 400, 490, 560, 700, 784, 800, 980, 1120, 1225, 1400, 1568, 1960, 2027, 2450, 2800, 3920, 4054, 4900, 5600, 7840, 8108, 9800, 10135, 14189, 16216, 19600, 20270, 28378, 32432, 39200, 40540, 50675, 56756, 64864, 70945, 81080, 99323, 101350, 113512, 141890, 162160, 198646, 202700, 227024, 283780, 324320, 354725, 397292, 405400, 454048, 496615, 567560, 709450, 794584, 810800, 993230, 1135120, 1418900, 1589168, 1621600, 1986460, 2270240, 2483075, 2837800, 3178336, 3972920, 4966150, 5675600, 7945840, 9932300, 11351200, 15891680, 19864600, 39729200, 79458400]

約数ペア:

[(1, 79458400), (2, 39729200), (4, 19864600), (5, 15891680), (7, 11351200), (8, 9932300), (10, 7945840), (14, 5675600), (16, 4966150), (20, 3972920), (25, 3178336), (28, 2837800), (32, 2483075), (35, 2270240), (40, 1986460), (49, 1621600), (50, 1589168), (56, 1418900), (70, 1135120), (80, 993230), (98, 810800), (100, 794584), (112, 709450), (140, 567560), (160, 496615), (175, 454048), (196, 405400), (200, 397292), (224, 354725), (245, 324320), (280, 283780), (350, 227024), (392, 202700), (400, 198646), (490, 162160), (560, 141890), (700, 113512), (784, 101350), (800, 99323), (980, 81080), (1120, 70945), (1225, 64864), (1400, 56756), (1568, 50675), (1960, 40540), (2027, 39200), (2450, 32432), (2800, 28378), (3920, 20270), (4054, 19600), (4900, 16216), (5600, 14189), (7840, 10135), (8108, 9800)]