842800

素因数分解:

$2^4\times 5^2\times 7^2\times {\mathrm{43}}^1$

素因数の和:75

約数の個数: 90

約数和(自身を含む): 2410188

約数和(自身を除く): 1567388

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 43, 49, 50, 56, 70, 80, 86, 98, 100, 112, 140, 172, 175, 196, 200, 215, 245, 280, 301, 344, 350, 392, 400, 430, 490, 560, 602, 688, 700, 784, 860, 980, 1075, 1204, 1225, 1400, 1505, 1720, 1960, 2107, 2150, 2408, 2450, 2800, 3010, 3440, 3920, 4214, 4300, 4816, 4900, 6020, 7525, 8428, 8600, 9800, 10535, 12040, 15050, 16856, 17200, 19600, 21070, 24080, 30100, 33712, 42140, 52675, 60200, 84280, 105350, 120400, 168560, 210700, 421400, 842800]

約数ペア:

[(1, 842800), (2, 421400), (4, 210700), (5, 168560), (7, 120400), (8, 105350), (10, 84280), (14, 60200), (16, 52675), (20, 42140), (25, 33712), (28, 30100), (35, 24080), (40, 21070), (43, 19600), (49, 17200), (50, 16856), (56, 15050), (70, 12040), (80, 10535), (86, 9800), (98, 8600), (100, 8428), (112, 7525), (140, 6020), (172, 4900), (175, 4816), (196, 4300), (200, 4214), (215, 3920), (245, 3440), (280, 3010), (301, 2800), (344, 2450), (350, 2408), (392, 2150), (400, 2107), (430, 1960), (490, 1720), (560, 1505), (602, 1400), (688, 1225), (700, 1204), (784, 1075), (860, 980)]