2951720

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{677}}^1$

素因数の和:797

約数の個数: 32

約数和(自身を含む): 6712200

約数和(自身を除く): 3760480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 677, 872, 1090, 1354, 2180, 2708, 3385, 4360, 5416, 6770, 13540, 27080, 73793, 147586, 295172, 368965, 590344, 737930, 1475860, 2951720]

約数ペア:

[(1, 2951720), (2, 1475860), (4, 737930), (5, 590344), (8, 368965), (10, 295172), (20, 147586), (40, 73793), (109, 27080), (218, 13540), (436, 6770), (545, 5416), (677, 4360), (872, 3385), (1090, 2708), (1354, 2180)]