238721120

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{135637}}^1$

素因数の和:135663

約数の個数: 48

約数和(自身を含む): 615253968

約数和(自身を除く): 376532848

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, 880, 1760, 135637, 271274, 542548, 678185, 1085096, 1356370, 1492007, 2170192, 2712740, 2984014, 4340384, 5425480, 5968028, 7460035, 10850960, 11936056, 14920070, 21701920, 23872112, 29840140, 47744224, 59680280, 119360560, 238721120]

約数ペア:

[(1, 238721120), (2, 119360560), (4, 59680280), (5, 47744224), (8, 29840140), (10, 23872112), (11, 21701920), (16, 14920070), (20, 11936056), (22, 10850960), (32, 7460035), (40, 5968028), (44, 5425480), (55, 4340384), (80, 2984014), (88, 2712740), (110, 2170192), (160, 1492007), (176, 1356370), (220, 1085096), (352, 678185), (440, 542548), (880, 271274), (1760, 135637)]