1927660

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{281}}^1$

素因数の和:311

約数の個数: 48

約数和(自身を含む): 4737600

約数和(自身を除く): 2809940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 281, 343, 490, 562, 686, 980, 1124, 1372, 1405, 1715, 1967, 2810, 3430, 3934, 5620, 6860, 7868, 9835, 13769, 19670, 27538, 39340, 55076, 68845, 96383, 137690, 192766, 275380, 385532, 481915, 963830, 1927660]

約数ペア:

[(1, 1927660), (2, 963830), (4, 481915), (5, 385532), (7, 275380), (10, 192766), (14, 137690), (20, 96383), (28, 68845), (35, 55076), (49, 39340), (70, 27538), (98, 19670), (140, 13769), (196, 9835), (245, 7868), (281, 6860), (343, 5620), (490, 3934), (562, 3430), (686, 2810), (980, 1967), (1124, 1715), (1372, 1405)]