161946250

素因数分解:

$2^1\times 5^4\times {\mathrm{17}}^1\times {\mathrm{7621}}^1$

素因数の和:7660

約数の個数: 40

約数和(自身を含む): 321450228

約数和(自身を除く): 159503978

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 85, 125, 170, 250, 425, 625, 850, 1250, 2125, 4250, 7621, 10625, 15242, 21250, 38105, 76210, 129557, 190525, 259114, 381050, 647785, 952625, 1295570, 1905250, 3238925, 4763125, 6477850, 9526250, 16194625, 32389250, 80973125, 161946250]

約数ペア:

[(1, 161946250), (2, 80973125), (5, 32389250), (10, 16194625), (17, 9526250), (25, 6477850), (34, 4763125), (50, 3238925), (85, 1905250), (125, 1295570), (170, 952625), (250, 647785), (425, 381050), (625, 259114), (850, 190525), (1250, 129557), (2125, 76210), (4250, 38105), (7621, 21250), (10625, 15242)]