390348530

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{272971}}^1$

素因数の和:273002

約数の個数: 32

約数和(自身を含む): 825467328

約数和(自身を除く): 435118798

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 272971, 545942, 1364855, 2729710, 3002681, 3548623, 6005362, 7097246, 15013405, 17743115, 30026810, 35486230, 39034853, 78069706, 195174265, 390348530]

約数ペア:

[(1, 390348530), (2, 195174265), (5, 78069706), (10, 39034853), (11, 35486230), (13, 30026810), (22, 17743115), (26, 15013405), (55, 7097246), (65, 6005362), (110, 3548623), (130, 3002681), (143, 2729710), (286, 1364855), (715, 545942), (1430, 272971)]