2486940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{181}}^1\times {\mathrm{229}}^1$

素因数の和:422

約数の個数: 48

約数和(自身を含む): 7032480

約数和(自身を除く): 4545540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 181, 229, 362, 458, 543, 687, 724, 905, 916, 1086, 1145, 1374, 1810, 2172, 2290, 2715, 2748, 3435, 3620, 4580, 5430, 6870, 10860, 13740, 41449, 82898, 124347, 165796, 207245, 248694, 414490, 497388, 621735, 828980, 1243470, 2486940]

約数ペア:

[(1, 2486940), (2, 1243470), (3, 828980), (4, 621735), (5, 497388), (6, 414490), (10, 248694), (12, 207245), (15, 165796), (20, 124347), (30, 82898), (60, 41449), (181, 13740), (229, 10860), (362, 6870), (458, 5430), (543, 4580), (687, 3620), (724, 3435), (905, 2748), (916, 2715), (1086, 2290), (1145, 2172), (1374, 1810)]