205714730

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{409}}^1$

素因数の和:555

約数の個数: 64

約数和(自身を含む): 412866720

約数和(自身を除く): 207151990

約数列:

[1, 2, 5, 10, 13, 26, 53, 65, 73, 106, 130, 146, 265, 365, 409, 530, 689, 730, 818, 949, 1378, 1898, 2045, 3445, 3869, 4090, 4745, 5317, 6890, 7738, 9490, 10634, 19345, 21677, 26585, 29857, 38690, 43354, 50297, 53170, 59714, 100594, 108385, 149285, 216770, 251485, 281801, 298570, 388141, 502970, 563602, 776282, 1409005, 1582421, 1940705, 2818010, 3164842, 3881410, 7912105, 15824210, 20571473, 41142946, 102857365, 205714730]

約数ペア:

[(1, 205714730), (2, 102857365), (5, 41142946), (10, 20571473), (13, 15824210), (26, 7912105), (53, 3881410), (65, 3164842), (73, 2818010), (106, 1940705), (130, 1582421), (146, 1409005), (265, 776282), (365, 563602), (409, 502970), (530, 388141), (689, 298570), (730, 281801), (818, 251485), (949, 216770), (1378, 149285), (1898, 108385), (2045, 100594), (3445, 59714), (3869, 53170), (4090, 50297), (4745, 43354), (5317, 38690), (6890, 29857), (7738, 26585), (9490, 21677), (10634, 19345)]