386320

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{439}}^1$

素因数の和:463

約数の個数: 40

約数和(自身を含む): 982080

約数和(自身を除く): 595760

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 439, 440, 878, 880, 1756, 2195, 3512, 4390, 4829, 7024, 8780, 9658, 17560, 19316, 24145, 35120, 38632, 48290, 77264, 96580, 193160, 386320]

約数ペア:

[(1, 386320), (2, 193160), (4, 96580), (5, 77264), (8, 48290), (10, 38632), (11, 35120), (16, 24145), (20, 19316), (22, 17560), (40, 9658), (44, 8780), (55, 7024), (80, 4829), (88, 4390), (110, 3512), (176, 2195), (220, 1756), (439, 880), (440, 878)]