9739780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^3\times {\mathrm{71}}^1$

素因数の和:137

約数の個数: 48

約数和(自身を含む): 21893760

約数和(自身を除く): 12153980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 71, 76, 95, 142, 190, 284, 355, 361, 380, 710, 722, 1349, 1420, 1444, 1805, 2698, 3610, 5396, 6745, 6859, 7220, 13490, 13718, 25631, 26980, 27436, 34295, 51262, 68590, 102524, 128155, 137180, 256310, 486989, 512620, 973978, 1947956, 2434945, 4869890, 9739780]

約数ペア:

[(1, 9739780), (2, 4869890), (4, 2434945), (5, 1947956), (10, 973978), (19, 512620), (20, 486989), (38, 256310), (71, 137180), (76, 128155), (95, 102524), (142, 68590), (190, 51262), (284, 34295), (355, 27436), (361, 26980), (380, 25631), (710, 13718), (722, 13490), (1349, 7220), (1420, 6859), (1444, 6745), (1805, 5396), (2698, 3610)]