243364420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{3559}}^1$

素因数の和:3844

約数の個数: 48

約数和(自身を含む): 552625920

約数和(自身を除く): 309261500

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 263, 526, 1052, 1315, 2630, 3419, 3559, 5260, 6838, 7118, 13676, 14236, 17095, 17795, 34190, 35590, 46267, 68380, 71180, 92534, 185068, 231335, 462670, 925340, 936017, 1872034, 3744068, 4680085, 9360170, 12168221, 18720340, 24336442, 48672884, 60841105, 121682210, 243364420]

約数ペア:

[(1, 243364420), (2, 121682210), (4, 60841105), (5, 48672884), (10, 24336442), (13, 18720340), (20, 12168221), (26, 9360170), (52, 4680085), (65, 3744068), (130, 1872034), (260, 936017), (263, 925340), (526, 462670), (1052, 231335), (1315, 185068), (2630, 92534), (3419, 71180), (3559, 68380), (5260, 46267), (6838, 35590), (7118, 34190), (13676, 17795), (14236, 17095)]