420734770

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^2\times {\mathrm{73}}^1\times {\mathrm{421}}^1$

素因数の和:575

約数の個数: 48

約数和(自身を含む): 790880328

約数和(自身を除く): 370145558

約数列:

[1, 2, 5, 10, 37, 73, 74, 146, 185, 365, 370, 421, 730, 842, 1369, 2105, 2701, 2738, 4210, 5402, 6845, 13505, 13690, 15577, 27010, 30733, 31154, 61466, 77885, 99937, 153665, 155770, 199874, 307330, 499685, 576349, 999370, 1137121, 1152698, 2274242, 2881745, 5685605, 5763490, 11371210, 42073477, 84146954, 210367385, 420734770]

約数ペア:

[(1, 420734770), (2, 210367385), (5, 84146954), (10, 42073477), (37, 11371210), (73, 5763490), (74, 5685605), (146, 2881745), (185, 2274242), (365, 1152698), (370, 1137121), (421, 999370), (730, 576349), (842, 499685), (1369, 307330), (2105, 199874), (2701, 155770), (2738, 153665), (4210, 99937), (5402, 77885), (6845, 61466), (13505, 31154), (13690, 30733), (15577, 27010)]