2945560

素因数分解:

$2^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{349}}^1$

素因数の和:571

約数の個数: 32

約数和(自身を含む): 6678000

約数和(自身を除く): 3732440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 211, 349, 422, 698, 844, 1055, 1396, 1688, 1745, 2110, 2792, 3490, 4220, 6980, 8440, 13960, 73639, 147278, 294556, 368195, 589112, 736390, 1472780, 2945560]

約数ペア:

[(1, 2945560), (2, 1472780), (4, 736390), (5, 589112), (8, 368195), (10, 294556), (20, 147278), (40, 73639), (211, 13960), (349, 8440), (422, 6980), (698, 4220), (844, 3490), (1055, 2792), (1396, 2110), (1688, 1745)]