2449890

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{167}}^1$

素因数の和:343

約数の個数: 48

約数和(自身を含む): 6447168

約数和(自身を除く): 3997278

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 163, 167, 326, 334, 489, 501, 815, 835, 978, 1002, 1467, 1503, 1630, 1670, 2445, 2505, 2934, 3006, 4890, 5010, 7335, 7515, 14670, 15030, 27221, 54442, 81663, 136105, 163326, 244989, 272210, 408315, 489978, 816630, 1224945, 2449890]

約数ペア:

[(1, 2449890), (2, 1224945), (3, 816630), (5, 489978), (6, 408315), (9, 272210), (10, 244989), (15, 163326), (18, 136105), (30, 81663), (45, 54442), (90, 27221), (163, 15030), (167, 14670), (326, 7515), (334, 7335), (489, 5010), (501, 4890), (815, 3006), (835, 2934), (978, 2505), (1002, 2445), (1467, 1670), (1503, 1630)]