161775350

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{1319}}^1$

素因数の和:1565

約数の個数: 48

約数和(自身を含む): 329978880

約数和(自身を除く): 168203530

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 223, 275, 446, 550, 1115, 1319, 2230, 2453, 2638, 4906, 5575, 6595, 11150, 12265, 13190, 14509, 24530, 29018, 32975, 61325, 65950, 72545, 122650, 145090, 294137, 362725, 588274, 725450, 1470685, 2941370, 3235507, 6471014, 7353425, 14706850, 16177535, 32355070, 80887675, 161775350]

約数ペア:

[(1, 161775350), (2, 80887675), (5, 32355070), (10, 16177535), (11, 14706850), (22, 7353425), (25, 6471014), (50, 3235507), (55, 2941370), (110, 1470685), (223, 725450), (275, 588274), (446, 362725), (550, 294137), (1115, 145090), (1319, 122650), (2230, 72545), (2453, 65950), (2638, 61325), (4906, 32975), (5575, 29018), (6595, 24530), (11150, 14509), (12265, 13190)]