256545410

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{11159}}^1$

素因数の和:11207

約数の個数: 48

約数和(自身を含む): 534340800

約数和(自身を除く): 277795390

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 121, 190, 209, 242, 418, 605, 1045, 1210, 2090, 2299, 4598, 11159, 11495, 22318, 22990, 55795, 111590, 122749, 212021, 245498, 424042, 613745, 1060105, 1227490, 1350239, 2120210, 2332231, 2700478, 4664462, 6751195, 11661155, 13502390, 23322310, 25654541, 51309082, 128272705, 256545410]

約数ペア:

[(1, 256545410), (2, 128272705), (5, 51309082), (10, 25654541), (11, 23322310), (19, 13502390), (22, 11661155), (38, 6751195), (55, 4664462), (95, 2700478), (110, 2332231), (121, 2120210), (190, 1350239), (209, 1227490), (242, 1060105), (418, 613745), (605, 424042), (1045, 245498), (1210, 212021), (2090, 122749), (2299, 111590), (4598, 55795), (11159, 22990), (11495, 22318)]