38738420

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{5647}}^1$

素因数の和:5677

約数の個数: 48

約数和(自身を含む): 94886400

約数和(自身を除く): 56147980

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 3430, 5647, 6860, 11294, 22588, 28235, 39529, 56470, 79058, 112940, 158116, 197645, 276703, 395290, 553406, 790580, 1106812, 1383515, 1936921, 2767030, 3873842, 5534060, 7747684, 9684605, 19369210, 38738420]

約数ペア:

[(1, 38738420), (2, 19369210), (4, 9684605), (5, 7747684), (7, 5534060), (10, 3873842), (14, 2767030), (20, 1936921), (28, 1383515), (35, 1106812), (49, 790580), (70, 553406), (98, 395290), (140, 276703), (196, 197645), (245, 158116), (343, 112940), (490, 79058), (686, 56470), (980, 39529), (1372, 28235), (1715, 22588), (3430, 11294), (5647, 6860)]