129600380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71209}}^1$

素因数の和:71238

約数の個数: 48

約数和(自身を含む): 334971840

約数和(自身を除く): 205371460

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, 71209, 142418, 284836, 356045, 498463, 712090, 925717, 996926, 1424180, 1851434, 1993852, 2492315, 3702868, 4628585, 4984630, 6480019, 9257170, 9969260, 12960038, 18514340, 25920076, 32400095, 64800190, 129600380]

約数ペア:

[(1, 129600380), (2, 64800190), (4, 32400095), (5, 25920076), (7, 18514340), (10, 12960038), (13, 9969260), (14, 9257170), (20, 6480019), (26, 4984630), (28, 4628585), (35, 3702868), (52, 2492315), (65, 1993852), (70, 1851434), (91, 1424180), (130, 996926), (140, 925717), (182, 712090), (260, 498463), (364, 356045), (455, 284836), (910, 142418), (1820, 71209)]