78448975

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{157}}^1$

素因数の和:280

約数の個数: 48

約数和(自身を含む): 112849920

約数和(自身を除く): 34400945

約数列:

[1, 5, 11, 23, 25, 55, 79, 115, 157, 253, 275, 395, 575, 785, 869, 1265, 1727, 1817, 1975, 3611, 3925, 4345, 6325, 8635, 9085, 12403, 18055, 19987, 21725, 39721, 43175, 45425, 62015, 90275, 99935, 136433, 198605, 285269, 310075, 499675, 682165, 993025, 1426345, 3137959, 3410825, 7131725, 15689795, 78448975]

約数ペア:

[(1, 78448975), (5, 15689795), (11, 7131725), (23, 3410825), (25, 3137959), (55, 1426345), (79, 993025), (115, 682165), (157, 499675), (253, 310075), (275, 285269), (395, 198605), (575, 136433), (785, 99935), (869, 90275), (1265, 62015), (1727, 45425), (1817, 43175), (1975, 39721), (3611, 21725), (3925, 19987), (4345, 18055), (6325, 12403), (8635, 9085)]