9711800

素因数分解:

$2^3\times 5^2\times 7^2\times {\mathrm{991}}^1$

素因数の和:1021

約数の個数: 72

約数和(自身を含む): 26292960

約数和(自身を除く): 16581160

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, 991, 1225, 1400, 1960, 1982, 2450, 3964, 4900, 4955, 6937, 7928, 9800, 9910, 13874, 19820, 24775, 27748, 34685, 39640, 48559, 49550, 55496, 69370, 97118, 99100, 138740, 173425, 194236, 198200, 242795, 277480, 346850, 388472, 485590, 693700, 971180, 1213975, 1387400, 1942360, 2427950, 4855900, 9711800]

約数ペア:

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