3985494875

素因数分解:

$5^3\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1$

素因数の和:405

約数の個数: 64

約数和(自身を含む): 5396751360

約数和(自身を除く): 1411256485

約数列:

[1, 5, 17, 25, 85, 103, 125, 131, 139, 425, 515, 655, 695, 1751, 2125, 2227, 2363, 2575, 3275, 3475, 8755, 11135, 11815, 12875, 13493, 14317, 16375, 17375, 18209, 43775, 55675, 59075, 67465, 71585, 91045, 218875, 229381, 243389, 278375, 295375, 309553, 337325, 357925, 455225, 1146905, 1216945, 1547765, 1686625, 1789625, 1875527, 2276125, 5734525, 6084725, 7738825, 9377635, 28672625, 30423625, 31883959, 38694125, 46888175, 159419795, 234440875, 797098975, 3985494875]

約数ペア:

[(1, 3985494875), (5, 797098975), (17, 234440875), (25, 159419795), (85, 46888175), (103, 38694125), (125, 31883959), (131, 30423625), (139, 28672625), (425, 9377635), (515, 7738825), (655, 6084725), (695, 5734525), (1751, 2276125), (2125, 1875527), (2227, 1789625), (2363, 1686625), (2575, 1547765), (3275, 1216945), (3475, 1146905), (8755, 455225), (11135, 357925), (11815, 337325), (12875, 309553), (13493, 295375), (14317, 278375), (16375, 243389), (17375, 229381), (18209, 218875), (43775, 91045), (55675, 71585), (59075, 67465)]