104665820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{2909}}^1$

素因数の和:3182

約数の個数: 48

約数和(自身を含む): 252262080

約数和(自身を除く): 147596260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 257, 514, 1028, 1285, 1799, 2570, 2909, 3598, 5140, 5818, 7196, 8995, 11636, 14545, 17990, 20363, 29090, 35980, 40726, 58180, 81452, 101815, 203630, 407260, 747613, 1495226, 2990452, 3738065, 5233291, 7476130, 10466582, 14952260, 20933164, 26166455, 52332910, 104665820]

約数ペア:

[(1, 104665820), (2, 52332910), (4, 26166455), (5, 20933164), (7, 14952260), (10, 10466582), (14, 7476130), (20, 5233291), (28, 3738065), (35, 2990452), (70, 1495226), (140, 747613), (257, 407260), (514, 203630), (1028, 101815), (1285, 81452), (1799, 58180), (2570, 40726), (2909, 35980), (3598, 29090), (5140, 20363), (5818, 17990), (7196, 14545), (8995, 11636)]