191840

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1$

素因数の和:135

約数の個数: 48

約数和(自身を含む): 498960

約数和(自身を除く): 307120

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 109, 110, 160, 176, 218, 220, 352, 436, 440, 545, 872, 880, 1090, 1199, 1744, 1760, 2180, 2398, 3488, 4360, 4796, 5995, 8720, 9592, 11990, 17440, 19184, 23980, 38368, 47960, 95920, 191840]

約数ペア:

[(1, 191840), (2, 95920), (4, 47960), (5, 38368), (8, 23980), (10, 19184), (11, 17440), (16, 11990), (20, 9592), (22, 8720), (32, 5995), (40, 4796), (44, 4360), (55, 3488), (80, 2398), (88, 2180), (109, 1760), (110, 1744), (160, 1199), (176, 1090), (218, 880), (220, 872), (352, 545), (436, 440)]