7788278740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{86981}}^1$

素因数の和:87049

約数の個数: 72

約数和(自身を含む): 18463495176

約数和(自身を除く): 10675216436

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 37, 44, 55, 74, 110, 121, 148, 185, 220, 242, 370, 407, 484, 605, 740, 814, 1210, 1628, 2035, 2420, 4070, 4477, 8140, 8954, 17908, 22385, 44770, 86981, 89540, 173962, 347924, 434905, 869810, 956791, 1739620, 1913582, 3218297, 3827164, 4783955, 6436594, 9567910, 10524701, 12873188, 16091485, 19135820, 21049402, 32182970, 35401267, 42098804, 52623505, 64365940, 70802534, 105247010, 141605068, 177006335, 210494020, 354012670, 389413937, 708025340, 778827874, 1557655748, 1947069685, 3894139370, 7788278740]

約数ペア:

[(1, 7788278740), (2, 3894139370), (4, 1947069685), (5, 1557655748), (10, 778827874), (11, 708025340), (20, 389413937), (22, 354012670), (37, 210494020), (44, 177006335), (55, 141605068), (74, 105247010), (110, 70802534), (121, 64365940), (148, 52623505), (185, 42098804), (220, 35401267), (242, 32182970), (370, 21049402), (407, 19135820), (484, 16091485), (605, 12873188), (740, 10524701), (814, 9567910), (1210, 6436594), (1628, 4783955), (2035, 3827164), (2420, 3218297), (4070, 1913582), (4477, 1739620), (8140, 956791), (8954, 869810), (17908, 434905), (22385, 347924), (44770, 173962), (86981, 89540)]