199965590

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{23011}}^1$

素因数の和:23108

約数の個数: 32

約数和(自身を含む): 397647360

約数和(自身を除く): 197681770

約数列:

[1, 2, 5, 10, 11, 22, 55, 79, 110, 158, 395, 790, 869, 1738, 4345, 8690, 23011, 46022, 115055, 230110, 253121, 506242, 1265605, 1817869, 2531210, 3635738, 9089345, 18178690, 19996559, 39993118, 99982795, 199965590]

約数ペア:

[(1, 199965590), (2, 99982795), (5, 39993118), (10, 19996559), (11, 18178690), (22, 9089345), (55, 3635738), (79, 2531210), (110, 1817869), (158, 1265605), (395, 506242), (790, 253121), (869, 230110), (1738, 115055), (4345, 46022), (8690, 23011)]