209987570

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{7309}}^1$

素因数の和:7359

約数の個数: 48

約数和(自身を含む): 433424520

約数和(自身を除く): 223436950

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 169, 170, 221, 338, 442, 845, 1105, 1690, 2210, 2873, 5746, 7309, 14365, 14618, 28730, 36545, 73090, 95017, 124253, 190034, 248506, 475085, 621265, 950170, 1235221, 1242530, 1615289, 2470442, 3230578, 6176105, 8076445, 12352210, 16152890, 20998757, 41997514, 104993785, 209987570]

約数ペア:

[(1, 209987570), (2, 104993785), (5, 41997514), (10, 20998757), (13, 16152890), (17, 12352210), (26, 8076445), (34, 6176105), (65, 3230578), (85, 2470442), (130, 1615289), (169, 1242530), (170, 1235221), (221, 950170), (338, 621265), (442, 475085), (845, 248506), (1105, 190034), (1690, 124253), (2210, 95017), (2873, 73090), (5746, 36545), (7309, 28730), (14365, 14618)]