168285875

素因数分解:

$5^3\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{239}}^1$

素因数の和:428

約数の個数: 32

約数和(自身を含む): 217451520

約数和(自身を除く): 49165645

約数列:

[1, 5, 25, 43, 125, 131, 215, 239, 655, 1075, 1195, 3275, 5375, 5633, 5975, 10277, 16375, 28165, 29875, 31309, 51385, 140825, 156545, 256925, 704125, 782725, 1284625, 1346287, 3913625, 6731435, 33657175, 168285875]

約数ペア:

[(1, 168285875), (5, 33657175), (25, 6731435), (43, 3913625), (125, 1346287), (131, 1284625), (215, 782725), (239, 704125), (655, 256925), (1075, 156545), (1195, 140825), (3275, 51385), (5375, 31309), (5633, 29875), (5975, 28165), (10277, 16375)]