338991380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{186259}}^1$

素因数の和:186288

約数の個数: 48

約数和(自身を含む): 876167040

約数和(自身を除く): 537175660

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, 186259, 372518, 745036, 931295, 1303813, 1862590, 2421367, 2607626, 3725180, 4842734, 5215252, 6519065, 9685468, 12106835, 13038130, 16949569, 24213670, 26076260, 33899138, 48427340, 67798276, 84747845, 169495690, 338991380]

約数ペア:

[(1, 338991380), (2, 169495690), (4, 84747845), (5, 67798276), (7, 48427340), (10, 33899138), (13, 26076260), (14, 24213670), (20, 16949569), (26, 13038130), (28, 12106835), (35, 9685468), (52, 6519065), (65, 5215252), (70, 4842734), (91, 3725180), (130, 2607626), (140, 2421367), (182, 1862590), (260, 1303813), (364, 931295), (455, 745036), (910, 372518), (1820, 186259)]