215514625

素因数分解:

$5^3\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{881}}^1$

素因数の和:1018

約数の個数: 32

約数和(自身を含む): 286191360

約数和(自身を除く): 70676735

約数列:

[1, 5, 19, 25, 95, 103, 125, 475, 515, 881, 1957, 2375, 2575, 4405, 9785, 12875, 16739, 22025, 48925, 83695, 90743, 110125, 244625, 418475, 453715, 1724117, 2092375, 2268575, 8620585, 11342875, 43102925, 215514625]

約数ペア:

[(1, 215514625), (5, 43102925), (19, 11342875), (25, 8620585), (95, 2268575), (103, 2092375), (125, 1724117), (475, 453715), (515, 418475), (881, 244625), (1957, 110125), (2375, 90743), (2575, 83695), (4405, 48925), (9785, 22025), (12875, 16739)]