272996220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{649991}}^1$

素因数の和:650010

約数の個数: 48

約数和(自身を含む): 873589248

約数和(自身を除く): 600593028

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 649991, 1299982, 1949973, 2599964, 3249955, 3899946, 4549937, 6499910, 7799892, 9099874, 9749865, 12999820, 13649811, 18199748, 19499730, 22749685, 27299622, 38999460, 45499370, 54599244, 68249055, 90998740, 136498110, 272996220]

約数ペア:

[(1, 272996220), (2, 136498110), (3, 90998740), (4, 68249055), (5, 54599244), (6, 45499370), (7, 38999460), (10, 27299622), (12, 22749685), (14, 19499730), (15, 18199748), (20, 13649811), (21, 12999820), (28, 9749865), (30, 9099874), (35, 7799892), (42, 6499910), (60, 4549937), (70, 3899946), (84, 3249955), (105, 2599964), (140, 1949973), (210, 1299982), (420, 649991)]