279881480

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{2791}}^1$

素因数の和:2934

約数の個数: 64

約数和(自身を含む): 663379200

約数和(自身を除く): 383497720

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 109, 115, 184, 218, 230, 436, 460, 545, 872, 920, 1090, 2180, 2507, 2791, 4360, 5014, 5582, 10028, 11164, 12535, 13955, 20056, 22328, 25070, 27910, 50140, 55820, 64193, 100280, 111640, 128386, 256772, 304219, 320965, 513544, 608438, 641930, 1216876, 1283860, 1521095, 2433752, 2567720, 3042190, 6084380, 6997037, 12168760, 13994074, 27988148, 34985185, 55976296, 69970370, 139940740, 279881480]

約数ペア:

[(1, 279881480), (2, 139940740), (4, 69970370), (5, 55976296), (8, 34985185), (10, 27988148), (20, 13994074), (23, 12168760), (40, 6997037), (46, 6084380), (92, 3042190), (109, 2567720), (115, 2433752), (184, 1521095), (218, 1283860), (230, 1216876), (436, 641930), (460, 608438), (545, 513544), (872, 320965), (920, 304219), (1090, 256772), (2180, 128386), (2507, 111640), (2791, 100280), (4360, 64193), (5014, 55820), (5582, 50140), (10028, 27910), (11164, 25070), (12535, 22328), (13955, 20056)]