84346640

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{21517}}^1$

素因数の和:21544

約数の個数: 60

約数和(自身を含む): 228133836

約数和(自身を除く): 143787196

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 21517, 43034, 86068, 107585, 150619, 172136, 215170, 301238, 344272, 430340, 602476, 753095, 860680, 1054333, 1204952, 1506190, 1721360, 2108666, 2409904, 3012380, 4217332, 5271665, 6024760, 8434664, 10543330, 12049520, 16869328, 21086660, 42173320, 84346640]

約数ペア:

[(1, 84346640), (2, 42173320), (4, 21086660), (5, 16869328), (7, 12049520), (8, 10543330), (10, 8434664), (14, 6024760), (16, 5271665), (20, 4217332), (28, 3012380), (35, 2409904), (40, 2108666), (49, 1721360), (56, 1506190), (70, 1204952), (80, 1054333), (98, 860680), (112, 753095), (140, 602476), (196, 430340), (245, 344272), (280, 301238), (392, 215170), (490, 172136), (560, 150619), (784, 107585), (980, 86068), (1960, 43034), (3920, 21517)]