2860990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{839}}^1$

素因数の和:888

約数の個数: 32

約数和(自身を含む): 5806080

約数和(自身を除く): 2945090

約数列:

[1, 2, 5, 10, 11, 22, 31, 55, 62, 110, 155, 310, 341, 682, 839, 1678, 1705, 3410, 4195, 8390, 9229, 18458, 26009, 46145, 52018, 92290, 130045, 260090, 286099, 572198, 1430495, 2860990]

約数ペア:

[(1, 2860990), (2, 1430495), (5, 572198), (10, 286099), (11, 260090), (22, 130045), (31, 92290), (55, 52018), (62, 46145), (110, 26009), (155, 18458), (310, 9229), (341, 8390), (682, 4195), (839, 3410), (1678, 1705)]