28391670

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{167}}^1\times {\mathrm{1889}}^1$

素因数の和:2069

約数の個数: 48

約数和(自身を含む): 74299680

約数和(自身を除く): 45908010

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 167, 334, 501, 835, 1002, 1503, 1670, 1889, 2505, 3006, 3778, 5010, 5667, 7515, 9445, 11334, 15030, 17001, 18890, 28335, 34002, 56670, 85005, 170010, 315463, 630926, 946389, 1577315, 1892778, 2839167, 3154630, 4731945, 5678334, 9463890, 14195835, 28391670]

約数ペア:

[(1, 28391670), (2, 14195835), (3, 9463890), (5, 5678334), (6, 4731945), (9, 3154630), (10, 2839167), (15, 1892778), (18, 1577315), (30, 946389), (45, 630926), (90, 315463), (167, 170010), (334, 85005), (501, 56670), (835, 34002), (1002, 28335), (1503, 18890), (1670, 17001), (1889, 15030), (2505, 11334), (3006, 9445), (3778, 7515), (5010, 5667)]