202982020

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{269}}^1\times {\mathrm{1301}}^1$

素因数の和:1608

約数の個数: 48

約数和(自身を含む): 442940400

約数和(自身を除く): 239958380

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 269, 290, 538, 580, 1076, 1301, 1345, 2602, 2690, 5204, 5380, 6505, 7801, 13010, 15602, 26020, 31204, 37729, 39005, 75458, 78010, 150916, 156020, 188645, 349969, 377290, 699938, 754580, 1399876, 1749845, 3499690, 6999380, 10149101, 20298202, 40596404, 50745505, 101491010, 202982020]

約数ペア:

[(1, 202982020), (2, 101491010), (4, 50745505), (5, 40596404), (10, 20298202), (20, 10149101), (29, 6999380), (58, 3499690), (116, 1749845), (145, 1399876), (269, 754580), (290, 699938), (538, 377290), (580, 349969), (1076, 188645), (1301, 156020), (1345, 150916), (2602, 78010), (2690, 75458), (5204, 39005), (5380, 37729), (6505, 31204), (7801, 26020), (13010, 15602)]