19423600

素因数分解:

$2^4\times 5^2\times 7^2\times {\mathrm{991}}^1$

素因数の和:1023

約数の個数: 90

約数和(自身を含む): 54338784

約数和(自身を除く): 34915184

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, 392, 400, 490, 560, 700, 784, 980, 991, 1225, 1400, 1960, 1982, 2450, 2800, 3920, 3964, 4900, 4955, 6937, 7928, 9800, 9910, 13874, 15856, 19600, 19820, 24775, 27748, 34685, 39640, 48559, 49550, 55496, 69370, 79280, 97118, 99100, 110992, 138740, 173425, 194236, 198200, 242795, 277480, 346850, 388472, 396400, 485590, 554960, 693700, 776944, 971180, 1213975, 1387400, 1942360, 2427950, 2774800, 3884720, 4855900, 9711800, 19423600]

約数ペア:

[(1, 19423600), (2, 9711800), (4, 4855900), (5, 3884720), (7, 2774800), (8, 2427950), (10, 1942360), (14, 1387400), (16, 1213975), (20, 971180), (25, 776944), (28, 693700), (35, 554960), (40, 485590), (49, 396400), (50, 388472), (56, 346850), (70, 277480), (80, 242795), (98, 198200), (100, 194236), (112, 173425), (140, 138740), (175, 110992), (196, 99100), (200, 97118), (245, 79280), (280, 69370), (350, 55496), (392, 49550), (400, 48559), (490, 39640), (560, 34685), (700, 27748), (784, 24775), (980, 19820), (991, 19600), (1225, 15856), (1400, 13874), (1960, 9910), (1982, 9800), (2450, 7928), (2800, 6937), (3920, 4955), (3964, 4900)]