779680

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{443}}^1$

素因数の和:469

約数の個数: 48

約数和(自身を含む): 2013984

約数和(自身を除く): 1234304

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 443, 880, 886, 1760, 1772, 2215, 3544, 4430, 4873, 7088, 8860, 9746, 14176, 17720, 19492, 24365, 35440, 38984, 48730, 70880, 77968, 97460, 155936, 194920, 389840, 779680]

約数ペア:

[(1, 779680), (2, 389840), (4, 194920), (5, 155936), (8, 97460), (10, 77968), (11, 70880), (16, 48730), (20, 38984), (22, 35440), (32, 24365), (40, 19492), (44, 17720), (55, 14176), (80, 9746), (88, 8860), (110, 7088), (160, 4873), (176, 4430), (220, 3544), (352, 2215), (440, 1772), (443, 1760), (880, 886)]