245254000

素因数分解:

$2^4\times 5^3\times {\mathrm{149}}^1\times {\mathrm{823}}^1$

素因数の和:995

約数の個数: 80

約数和(自身を含む): 597729600

約数和(自身を除く): 352475600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 149, 200, 250, 298, 400, 500, 596, 745, 823, 1000, 1192, 1490, 1646, 2000, 2384, 2980, 3292, 3725, 4115, 5960, 6584, 7450, 8230, 11920, 13168, 14900, 16460, 18625, 20575, 29800, 32920, 37250, 41150, 59600, 65840, 74500, 82300, 102875, 122627, 149000, 164600, 205750, 245254, 298000, 329200, 411500, 490508, 613135, 823000, 981016, 1226270, 1646000, 1962032, 2452540, 3065675, 4905080, 6131350, 9810160, 12262700, 15328375, 24525400, 30656750, 49050800, 61313500, 122627000, 245254000]

約数ペア:

[(1, 245254000), (2, 122627000), (4, 61313500), (5, 49050800), (8, 30656750), (10, 24525400), (16, 15328375), (20, 12262700), (25, 9810160), (40, 6131350), (50, 4905080), (80, 3065675), (100, 2452540), (125, 1962032), (149, 1646000), (200, 1226270), (250, 981016), (298, 823000), (400, 613135), (500, 490508), (596, 411500), (745, 329200), (823, 298000), (1000, 245254), (1192, 205750), (1490, 164600), (1646, 149000), (2000, 122627), (2384, 102875), (2980, 82300), (3292, 74500), (3725, 65840), (4115, 59600), (5960, 41150), (6584, 37250), (7450, 32920), (8230, 29800), (11920, 20575), (13168, 18625), (14900, 16460)]