28308740

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{599}}^1$

素因数の和:764

約数の個数: 48

約数和(自身を含む): 63504000

約数和(自身を除く): 35195260

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 139, 170, 278, 340, 556, 599, 695, 1198, 1390, 2363, 2396, 2780, 2995, 4726, 5990, 9452, 10183, 11815, 11980, 20366, 23630, 40732, 47260, 50915, 83261, 101830, 166522, 203660, 333044, 416305, 832610, 1415437, 1665220, 2830874, 5661748, 7077185, 14154370, 28308740]

約数ペア:

[(1, 28308740), (2, 14154370), (4, 7077185), (5, 5661748), (10, 2830874), (17, 1665220), (20, 1415437), (34, 832610), (68, 416305), (85, 333044), (139, 203660), (170, 166522), (278, 101830), (340, 83261), (556, 50915), (599, 47260), (695, 40732), (1198, 23630), (1390, 20366), (2363, 11980), (2396, 11815), (2780, 10183), (2995, 9452), (4726, 5990)]