17721830

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{59}}^1\times {\mathrm{613}}^1$

素因数の和:693

約数の個数: 48

約数和(自身を含む): 37797840

約数和(自身を除く): 20076010

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 59, 70, 98, 118, 245, 295, 413, 490, 590, 613, 826, 1226, 2065, 2891, 3065, 4130, 4291, 5782, 6130, 8582, 14455, 21455, 28910, 30037, 36167, 42910, 60074, 72334, 150185, 180835, 253169, 300370, 361670, 506338, 1265845, 1772183, 2531690, 3544366, 8860915, 17721830]

約数ペア:

[(1, 17721830), (2, 8860915), (5, 3544366), (7, 2531690), (10, 1772183), (14, 1265845), (35, 506338), (49, 361670), (59, 300370), (70, 253169), (98, 180835), (118, 150185), (245, 72334), (295, 60074), (413, 42910), (490, 36167), (590, 30037), (613, 28910), (826, 21455), (1226, 14455), (2065, 8582), (2891, 6130), (3065, 5782), (4130, 4291)]