408040375

素因数分解:

$5^3\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{3623}}^1$

素因数の和:3708

約数の個数: 32

約数和(自身を含む): 549514368

約数和(自身を除く): 141473993

約数列:

[1, 5, 17, 25, 53, 85, 125, 265, 425, 901, 1325, 2125, 3623, 4505, 6625, 18115, 22525, 61591, 90575, 112625, 192019, 307955, 452875, 960095, 1539775, 3264323, 4800475, 7698875, 16321615, 24002375, 81608075, 408040375]

約数ペア:

[(1, 408040375), (5, 81608075), (17, 24002375), (25, 16321615), (53, 7698875), (85, 4800475), (125, 3264323), (265, 1539775), (425, 960095), (901, 452875), (1325, 307955), (2125, 192019), (3623, 112625), (4505, 90575), (6625, 61591), (18115, 22525)]