263305990

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{13721}}^1$

素因数の和:13848

約数の個数: 32

約数和(自身を含む): 503871840

約数和(自身を除く): 240565850

約数列:

[1, 2, 5, 10, 19, 38, 95, 101, 190, 202, 505, 1010, 1919, 3838, 9595, 13721, 19190, 27442, 68605, 137210, 260699, 521398, 1303495, 1385821, 2606990, 2771642, 6929105, 13858210, 26330599, 52661198, 131652995, 263305990]

約数ペア:

[(1, 263305990), (2, 131652995), (5, 52661198), (10, 26330599), (19, 13858210), (38, 6929105), (95, 2771642), (101, 2606990), (190, 1385821), (202, 1303495), (505, 521398), (1010, 260699), (1919, 137210), (3838, 68605), (9595, 27442), (13721, 19190)]