189404180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{9733}}^1$

素因数の和:9888

約数の個数: 48

約数和(自身を含む): 457887360

約数和(自身を除く): 268483180

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 139, 140, 278, 556, 695, 973, 1390, 1946, 2780, 3892, 4865, 9730, 9733, 19460, 19466, 38932, 48665, 68131, 97330, 136262, 194660, 272524, 340655, 681310, 1352887, 1362620, 2705774, 5411548, 6764435, 9470209, 13528870, 18940418, 27057740, 37880836, 47351045, 94702090, 189404180]

約数ペア:

[(1, 189404180), (2, 94702090), (4, 47351045), (5, 37880836), (7, 27057740), (10, 18940418), (14, 13528870), (20, 9470209), (28, 6764435), (35, 5411548), (70, 2705774), (139, 1362620), (140, 1352887), (278, 681310), (556, 340655), (695, 272524), (973, 194660), (1390, 136262), (1946, 97330), (2780, 68131), (3892, 48665), (4865, 38932), (9730, 19466), (9733, 19460)]