28686750

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{23}}^1\times {\mathrm{1663}}^1$

素因数の和:1706

約数の個数: 64

約数和(自身を含む): 74760192

約数和(自身を除く): 46073442

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 25, 30, 46, 50, 69, 75, 115, 125, 138, 150, 230, 250, 345, 375, 575, 690, 750, 1150, 1663, 1725, 2875, 3326, 3450, 4989, 5750, 8315, 8625, 9978, 16630, 17250, 24945, 38249, 41575, 49890, 76498, 83150, 114747, 124725, 191245, 207875, 229494, 249450, 382490, 415750, 573735, 623625, 956225, 1147470, 1247250, 1912450, 2868675, 4781125, 5737350, 9562250, 14343375, 28686750]

約数ペア:

[(1, 28686750), (2, 14343375), (3, 9562250), (5, 5737350), (6, 4781125), (10, 2868675), (15, 1912450), (23, 1247250), (25, 1147470), (30, 956225), (46, 623625), (50, 573735), (69, 415750), (75, 382490), (115, 249450), (125, 229494), (138, 207875), (150, 191245), (230, 124725), (250, 114747), (345, 83150), (375, 76498), (575, 49890), (690, 41575), (750, 38249), (1150, 24945), (1663, 17250), (1725, 16630), (2875, 9978), (3326, 8625), (3450, 8315), (4989, 5750)]