3855320

素因数分解:

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

素因数の和:313

約数の個数: 64

約数和(自身を含む): 10152000

約数和(自身を除く): 6296680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 281, 343, 392, 490, 562, 686, 980, 1124, 1372, 1405, 1715, 1960, 1967, 2248, 2744, 2810, 3430, 3934, 5620, 6860, 7868, 9835, 11240, 13720, 13769, 15736, 19670, 27538, 39340, 55076, 68845, 78680, 96383, 110152, 137690, 192766, 275380, 385532, 481915, 550760, 771064, 963830, 1927660, 3855320]

約数ペア:

[(1, 3855320), (2, 1927660), (4, 963830), (5, 771064), (7, 550760), (8, 481915), (10, 385532), (14, 275380), (20, 192766), (28, 137690), (35, 110152), (40, 96383), (49, 78680), (56, 68845), (70, 55076), (98, 39340), (140, 27538), (196, 19670), (245, 15736), (280, 13769), (281, 13720), (343, 11240), (392, 9835), (490, 7868), (562, 6860), (686, 5620), (980, 3934), (1124, 3430), (1372, 2810), (1405, 2744), (1715, 2248), (1960, 1967)]