309968990

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{401}}^1\times {\mathrm{4547}}^1$

素因数の和:4972

約数の個数: 32

約数和(自身を含む): 592367904

約数和(自身を除く): 282398914

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 401, 802, 2005, 4010, 4547, 6817, 9094, 13634, 22735, 34085, 45470, 68170, 77299, 154598, 386495, 772990, 1823347, 3646694, 9116735, 18233470, 30996899, 61993798, 154984495, 309968990]

約数ペア:

[(1, 309968990), (2, 154984495), (5, 61993798), (10, 30996899), (17, 18233470), (34, 9116735), (85, 3646694), (170, 1823347), (401, 772990), (802, 386495), (2005, 154598), (4010, 77299), (4547, 68170), (6817, 45470), (9094, 34085), (13634, 22735)]