74181380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{40759}}^1$

素因数の和:40788

約数の個数: 48

約数和(自身を含む): 191735040

約数和(自身を除く): 117553660

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 40759, 81518, 163036, 203795, 285313, 407590, 529867, 570626, 815180, 1059734, 1141252, 1426565, 2119468, 2649335, 2853130, 3709069, 5298670, 5706260, 7418138, 10597340, 14836276, 18545345, 37090690, 74181380]

約数ペア:

[(1, 74181380), (2, 37090690), (4, 18545345), (5, 14836276), (7, 10597340), (10, 7418138), (13, 5706260), (14, 5298670), (20, 3709069), (26, 2853130), (28, 2649335), (35, 2119468), (52, 1426565), (65, 1141252), (70, 1059734), (91, 815180), (130, 570626), (140, 529867), (182, 407590), (260, 285313), (364, 203795), (455, 163036), (910, 81518), (1820, 40759)]