214998520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{488633}}^1$

素因数の和:488655

約数の個数: 32

約数和(自身を含む): 527724720

約数和(自身を除く): 312726200

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 488633, 977266, 1954532, 2443165, 3909064, 4886330, 5374963, 9772660, 10749926, 19545320, 21499852, 26874815, 42999704, 53749630, 107499260, 214998520]

約数ペア:

[(1, 214998520), (2, 107499260), (4, 53749630), (5, 42999704), (8, 26874815), (10, 21499852), (11, 19545320), (20, 10749926), (22, 9772660), (40, 5374963), (44, 4886330), (55, 3909064), (88, 2443165), (110, 1954532), (220, 977266), (440, 488633)]