2783403460

素因数分解:

$2^2\times 5^1\times {\mathrm{179}}^1\times {\mathrm{821}}^1\times {\mathrm{947}}^1$

素因数の和:1956

約数の個数: 48

約数和(自身を含む): 5891175360

約数和(自身を除く): 3107771900

約数列:

[1, 2, 4, 5, 10, 20, 179, 358, 716, 821, 895, 947, 1642, 1790, 1894, 3284, 3580, 3788, 4105, 4735, 8210, 9470, 16420, 18940, 146959, 169513, 293918, 339026, 587836, 678052, 734795, 777487, 847565, 1469590, 1554974, 1695130, 2939180, 3109948, 3390260, 3887435, 7774870, 15549740, 139170173, 278340346, 556680692, 695850865, 1391701730, 2783403460]

約数ペア:

[(1, 2783403460), (2, 1391701730), (4, 695850865), (5, 556680692), (10, 278340346), (20, 139170173), (179, 15549740), (358, 7774870), (716, 3887435), (821, 3390260), (895, 3109948), (947, 2939180), (1642, 1695130), (1790, 1554974), (1894, 1469590), (3284, 847565), (3580, 777487), (3788, 734795), (4105, 678052), (4735, 587836), (8210, 339026), (9470, 293918), (16420, 169513), (18940, 146959)]