408025730

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{157}}^1\times {\mathrm{271}}^1$

素因数の和:579

約数の個数: 64

約数和(自身を含む): 854019072

約数和(自身を除く): 445993342

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 137, 157, 271, 274, 314, 542, 685, 785, 959, 1099, 1355, 1370, 1570, 1897, 1918, 2198, 2710, 3794, 4795, 5495, 9485, 9590, 10990, 18970, 21509, 37127, 42547, 43018, 74254, 85094, 107545, 150563, 185635, 212735, 215090, 259889, 297829, 301126, 371270, 425470, 519778, 595658, 752815, 1299445, 1489145, 1505630, 2598890, 2978290, 5828939, 11657878, 29144695, 40802573, 58289390, 81605146, 204012865, 408025730]

約数ペア:

[(1, 408025730), (2, 204012865), (5, 81605146), (7, 58289390), (10, 40802573), (14, 29144695), (35, 11657878), (70, 5828939), (137, 2978290), (157, 2598890), (271, 1505630), (274, 1489145), (314, 1299445), (542, 752815), (685, 595658), (785, 519778), (959, 425470), (1099, 371270), (1355, 301126), (1370, 297829), (1570, 259889), (1897, 215090), (1918, 212735), (2198, 185635), (2710, 150563), (3794, 107545), (4795, 85094), (5495, 74254), (9485, 43018), (9590, 42547), (10990, 37127), (18970, 21509)]