2702980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{449}}^1$

素因数の和:508

約数の個数: 48

約数和(自身を含む): 6652800

約数和(自身を除く): 3949820

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 70, 86, 140, 172, 215, 301, 430, 449, 602, 860, 898, 1204, 1505, 1796, 2245, 3010, 3143, 4490, 6020, 6286, 8980, 12572, 15715, 19307, 31430, 38614, 62860, 77228, 96535, 135149, 193070, 270298, 386140, 540596, 675745, 1351490, 2702980]

約数ペア:

[(1, 2702980), (2, 1351490), (4, 675745), (5, 540596), (7, 386140), (10, 270298), (14, 193070), (20, 135149), (28, 96535), (35, 77228), (43, 62860), (70, 38614), (86, 31430), (140, 19307), (172, 15715), (215, 12572), (301, 8980), (430, 6286), (449, 6020), (602, 4490), (860, 3143), (898, 3010), (1204, 2245), (1505, 1796)]