290916670

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^4\times {\mathrm{1987}}^1$

素因数の和:2038

約数の個数: 40

約数和(自身を含む): 576301320

約数和(自身を除く): 285384650

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 242, 605, 1210, 1331, 1987, 2662, 3974, 6655, 9935, 13310, 14641, 19870, 21857, 29282, 43714, 73205, 109285, 146410, 218570, 240427, 480854, 1202135, 2404270, 2644697, 5289394, 13223485, 26446970, 29091667, 58183334, 145458335, 290916670]

約数ペア:

[(1, 290916670), (2, 145458335), (5, 58183334), (10, 29091667), (11, 26446970), (22, 13223485), (55, 5289394), (110, 2644697), (121, 2404270), (242, 1202135), (605, 480854), (1210, 240427), (1331, 218570), (1987, 146410), (2662, 109285), (3974, 73205), (6655, 43714), (9935, 29282), (13310, 21857), (14641, 19870)]