7920340

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{1097}}^1$

素因数の和:1144

約数の個数: 36

約数和(自身を含む): 17570196

約数和(自身を除く): 9649856

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 361, 380, 722, 1097, 1444, 1805, 2194, 3610, 4388, 5485, 7220, 10970, 20843, 21940, 41686, 83372, 104215, 208430, 396017, 416860, 792034, 1584068, 1980085, 3960170, 7920340]

約数ペア:

[(1, 7920340), (2, 3960170), (4, 1980085), (5, 1584068), (10, 792034), (19, 416860), (20, 396017), (38, 208430), (76, 104215), (95, 83372), (190, 41686), (361, 21940), (380, 20843), (722, 10970), (1097, 7220), (1444, 5485), (1805, 4388), (2194, 3610)]