128340575

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{197}}^1$

素因数の和:344

約数の個数: 48

約数和(自身を含む): 183845376

約数和(自身を除く): 55504801

約数列:

[1, 5, 11, 23, 25, 55, 103, 115, 197, 253, 275, 515, 575, 985, 1133, 1265, 2167, 2369, 2575, 4531, 4925, 5665, 6325, 10835, 11845, 20291, 22655, 26059, 28325, 49841, 54175, 59225, 101455, 113275, 130295, 223201, 249205, 466693, 507275, 651475, 1116005, 1246025, 2333465, 5133623, 5580025, 11667325, 25668115, 128340575]

約数ペア:

[(1, 128340575), (5, 25668115), (11, 11667325), (23, 5580025), (25, 5133623), (55, 2333465), (103, 1246025), (115, 1116005), (197, 651475), (253, 507275), (275, 466693), (515, 249205), (575, 223201), (985, 130295), (1133, 113275), (1265, 101455), (2167, 59225), (2369, 54175), (2575, 49841), (4531, 28325), (4925, 26059), (5665, 22655), (6325, 20291), (10835, 11845)]