71906380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{39509}}^1$

素因数の和:39538

約数の個数: 48

約数和(自身を含む): 185855040

約数和(自身を除く): 113948660

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, 39509, 79018, 158036, 197545, 276563, 395090, 513617, 553126, 790180, 1027234, 1106252, 1382815, 2054468, 2568085, 2765630, 3595319, 5136170, 5531260, 7190638, 10272340, 14381276, 17976595, 35953190, 71906380]

約数ペア:

[(1, 71906380), (2, 35953190), (4, 17976595), (5, 14381276), (7, 10272340), (10, 7190638), (13, 5531260), (14, 5136170), (20, 3595319), (26, 2765630), (28, 2568085), (35, 2054468), (52, 1382815), (65, 1106252), (70, 1027234), (91, 790180), (130, 553126), (140, 513617), (182, 395090), (260, 276563), (364, 197545), (455, 158036), (910, 79018), (1820, 39509)]