772640

素因数分解:

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

素因数の和:465

約数の個数: 48

約数和(自身を含む): 1995840

約数和(自身を除く): 1223200

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 439, 440, 878, 880, 1756, 1760, 2195, 3512, 4390, 4829, 7024, 8780, 9658, 14048, 17560, 19316, 24145, 35120, 38632, 48290, 70240, 77264, 96580, 154528, 193160, 386320, 772640]

約数ペア:

[(1, 772640), (2, 386320), (4, 193160), (5, 154528), (8, 96580), (10, 77264), (11, 70240), (16, 48290), (20, 38632), (22, 35120), (32, 24145), (40, 19316), (44, 17560), (55, 14048), (80, 9658), (88, 8780), (110, 7024), (160, 4829), (176, 4390), (220, 3512), (352, 2195), (439, 1760), (440, 1756), (878, 880)]