85973980

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{227}}^1\times {\mathrm{653}}^1$

素因数の和:918

約数の個数: 48

約数和(自身を含む): 187881120

約数和(自身を除く): 101907140

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 227, 290, 454, 580, 653, 908, 1135, 1306, 2270, 2612, 3265, 4540, 6530, 6583, 13060, 13166, 18937, 26332, 32915, 37874, 65830, 75748, 94685, 131660, 148231, 189370, 296462, 378740, 592924, 741155, 1482310, 2964620, 4298699, 8597398, 17194796, 21493495, 42986990, 85973980]

約数ペア:

[(1, 85973980), (2, 42986990), (4, 21493495), (5, 17194796), (10, 8597398), (20, 4298699), (29, 2964620), (58, 1482310), (116, 741155), (145, 592924), (227, 378740), (290, 296462), (454, 189370), (580, 148231), (653, 131660), (908, 94685), (1135, 75748), (1306, 65830), (2270, 37874), (2612, 32915), (3265, 26332), (4540, 18937), (6530, 13166), (6583, 13060)]