4261985

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1$

素因数の和:90

約数の個数: 64

約数和(自身を含む): 7257600

約数和(自身を除く): 2995615

約数列:

[1, 5, 7, 13, 17, 19, 29, 35, 65, 85, 91, 95, 119, 133, 145, 203, 221, 247, 323, 377, 455, 493, 551, 595, 665, 1015, 1105, 1235, 1547, 1615, 1729, 1885, 2261, 2465, 2639, 2755, 3451, 3857, 4199, 6409, 7163, 7735, 8645, 9367, 11305, 13195, 17255, 19285, 20995, 29393, 32045, 35815, 44863, 46835, 50141, 65569, 121771, 146965, 224315, 250705, 327845, 608855, 852397, 4261985]

約数ペア:

[(1, 4261985), (5, 852397), (7, 608855), (13, 327845), (17, 250705), (19, 224315), (29, 146965), (35, 121771), (65, 65569), (85, 50141), (91, 46835), (95, 44863), (119, 35815), (133, 32045), (145, 29393), (203, 20995), (221, 19285), (247, 17255), (323, 13195), (377, 11305), (455, 9367), (493, 8645), (551, 7735), (595, 7163), (665, 6409), (1015, 4199), (1105, 3857), (1235, 3451), (1547, 2755), (1615, 2639), (1729, 2465), (1885, 2261)]