42173320

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{21517}}^1$

素因数の和:21542

約数の個数: 48

約数和(自身を含む): 110387340

約数和(自身を除く): 68214020

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 21517, 43034, 86068, 107585, 150619, 172136, 215170, 301238, 430340, 602476, 753095, 860680, 1054333, 1204952, 1506190, 2108666, 3012380, 4217332, 5271665, 6024760, 8434664, 10543330, 21086660, 42173320]

約数ペア:

[(1, 42173320), (2, 21086660), (4, 10543330), (5, 8434664), (7, 6024760), (8, 5271665), (10, 4217332), (14, 3012380), (20, 2108666), (28, 1506190), (35, 1204952), (40, 1054333), (49, 860680), (56, 753095), (70, 602476), (98, 430340), (140, 301238), (196, 215170), (245, 172136), (280, 150619), (392, 107585), (490, 86068), (980, 43034), (1960, 21517)]