78571460

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{18797}}^1$

素因数の和:18836

約数の個数: 48

約数和(自身を含む): 189483840

約数和(自身を除く): 110912380

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1045, 2090, 4180, 18797, 37594, 75188, 93985, 187970, 206767, 357143, 375940, 413534, 714286, 827068, 1033835, 1428572, 1785715, 2067670, 3571430, 3928573, 4135340, 7142860, 7857146, 15714292, 19642865, 39285730, 78571460]

約数ペア:

[(1, 78571460), (2, 39285730), (4, 19642865), (5, 15714292), (10, 7857146), (11, 7142860), (19, 4135340), (20, 3928573), (22, 3571430), (38, 2067670), (44, 1785715), (55, 1428572), (76, 1033835), (95, 827068), (110, 714286), (190, 413534), (209, 375940), (220, 357143), (380, 206767), (418, 187970), (836, 93985), (1045, 75188), (2090, 37594), (4180, 18797)]