78684400

素因数分解:

$2^4\times 5^2\times {\mathrm{229}}^1\times {\mathrm{859}}^1$

素因数の和:1106

約数の個数: 60

約数和(自身を含む): 190085800

約数和(自身を除く): 111401400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 229, 400, 458, 859, 916, 1145, 1718, 1832, 2290, 3436, 3664, 4295, 4580, 5725, 6872, 8590, 9160, 11450, 13744, 17180, 18320, 21475, 22900, 34360, 42950, 45800, 68720, 85900, 91600, 171800, 196711, 343600, 393422, 786844, 983555, 1573688, 1967110, 3147376, 3934220, 4917775, 7868440, 9835550, 15736880, 19671100, 39342200, 78684400]

約数ペア:

[(1, 78684400), (2, 39342200), (4, 19671100), (5, 15736880), (8, 9835550), (10, 7868440), (16, 4917775), (20, 3934220), (25, 3147376), (40, 1967110), (50, 1573688), (80, 983555), (100, 786844), (200, 393422), (229, 343600), (400, 196711), (458, 171800), (859, 91600), (916, 85900), (1145, 68720), (1718, 45800), (1832, 42950), (2290, 34360), (3436, 22900), (3664, 21475), (4295, 18320), (4580, 17180), (5725, 13744), (6872, 11450), (8590, 9160)]