868221875

素因数分解:

$5^5\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{277}}^1$

素因数の和:378

約数の個数: 48

約数和(自身を含む): 1172737440

約数和(自身を除く): 304515565

約数列:

[1, 5, 17, 25, 59, 85, 125, 277, 295, 425, 625, 1003, 1385, 1475, 2125, 3125, 4709, 5015, 6925, 7375, 10625, 16343, 23545, 25075, 34625, 36875, 53125, 81715, 117725, 125375, 173125, 184375, 277831, 408575, 588625, 626875, 865625, 1389155, 2042875, 2943125, 3134375, 6945775, 10214375, 14715625, 34728875, 51071875, 173644375, 868221875]

約数ペア:

[(1, 868221875), (5, 173644375), (17, 51071875), (25, 34728875), (59, 14715625), (85, 10214375), (125, 6945775), (277, 3134375), (295, 2943125), (425, 2042875), (625, 1389155), (1003, 865625), (1385, 626875), (1475, 588625), (2125, 408575), (3125, 277831), (4709, 184375), (5015, 173125), (6925, 125375), (7375, 117725), (10625, 81715), (16343, 53125), (23545, 36875), (25075, 34625)]