7880908840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{1303}}^1\times {\mathrm{21601}}^1$

素因数の和:22922

約数の個数: 64

約数和(自身を含む): 20281685760

約数和(自身を除く): 12400776920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 1303, 2606, 5212, 6515, 9121, 10424, 13030, 18242, 21601, 26060, 36484, 43202, 45605, 52120, 72968, 86404, 91210, 108005, 151207, 172808, 182420, 216010, 302414, 364840, 432020, 604828, 756035, 864040, 1209656, 1512070, 3024140, 6048280, 28146103, 56292206, 112584412, 140730515, 197022721, 225168824, 281461030, 394045442, 562922060, 788090884, 985113605, 1125844120, 1576181768, 1970227210, 3940454420, 7880908840]

約数ペア:

[(1, 7880908840), (2, 3940454420), (4, 1970227210), (5, 1576181768), (7, 1125844120), (8, 985113605), (10, 788090884), (14, 562922060), (20, 394045442), (28, 281461030), (35, 225168824), (40, 197022721), (56, 140730515), (70, 112584412), (140, 56292206), (280, 28146103), (1303, 6048280), (2606, 3024140), (5212, 1512070), (6515, 1209656), (9121, 864040), (10424, 756035), (13030, 604828), (18242, 432020), (21601, 364840), (26060, 302414), (36484, 216010), (43202, 182420), (45605, 172808), (52120, 151207), (72968, 108005), (86404, 91210)]