1330782380

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{463}}^1\times {\mathrm{1049}}^1$

素因数の和:1658

約数の個数: 48

約数和(自身を含む): 2823811200

約数和(自身を除く): 1493028820

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 463, 548, 685, 926, 1049, 1370, 1852, 2098, 2315, 2740, 4196, 4630, 5245, 9260, 10490, 20980, 63431, 126862, 143713, 253724, 287426, 317155, 485687, 574852, 634310, 718565, 971374, 1268620, 1437130, 1942748, 2428435, 2874260, 4856870, 9713740, 66539119, 133078238, 266156476, 332695595, 665391190, 1330782380]

約数ペア:

[(1, 1330782380), (2, 665391190), (4, 332695595), (5, 266156476), (10, 133078238), (20, 66539119), (137, 9713740), (274, 4856870), (463, 2874260), (548, 2428435), (685, 1942748), (926, 1437130), (1049, 1268620), (1370, 971374), (1852, 718565), (2098, 634310), (2315, 574852), (2740, 485687), (4196, 317155), (4630, 287426), (5245, 253724), (9260, 143713), (10490, 126862), (20980, 63431)]