214236440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{331}}^1\times {\mathrm{1471}}^1$

素因数の和:1824

約数の個数: 64

約数和(自身を含む): 527800320

約数和(自身を除く): 313563880

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 331, 440, 662, 1324, 1471, 1655, 2648, 2942, 3310, 3641, 5884, 6620, 7282, 7355, 11768, 13240, 14564, 14710, 16181, 18205, 29128, 29420, 32362, 36410, 58840, 64724, 72820, 80905, 129448, 145640, 161810, 323620, 486901, 647240, 973802, 1947604, 2434505, 3895208, 4869010, 5355911, 9738020, 10711822, 19476040, 21423644, 26779555, 42847288, 53559110, 107118220, 214236440]

約数ペア:

[(1, 214236440), (2, 107118220), (4, 53559110), (5, 42847288), (8, 26779555), (10, 21423644), (11, 19476040), (20, 10711822), (22, 9738020), (40, 5355911), (44, 4869010), (55, 3895208), (88, 2434505), (110, 1947604), (220, 973802), (331, 647240), (440, 486901), (662, 323620), (1324, 161810), (1471, 145640), (1655, 129448), (2648, 80905), (2942, 72820), (3310, 64724), (3641, 58840), (5884, 36410), (6620, 32362), (7282, 29420), (7355, 29128), (11768, 18205), (13240, 16181), (14564, 14710)]