123157468

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{1279}}^1$

素因数の和:1490

約数の個数: 48

約数和(自身を含む): 260915200

約数和(自身を除く): 137757732

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 181, 266, 362, 532, 724, 1267, 1279, 2534, 2558, 3439, 5068, 5116, 6878, 8953, 13756, 17906, 24073, 24301, 35812, 48146, 48602, 96292, 97204, 170107, 231499, 340214, 462998, 680428, 925996, 1620493, 3240986, 4398481, 6481972, 8796962, 17593924, 30789367, 61578734, 123157468]

約数ペア:

[(1, 123157468), (2, 61578734), (4, 30789367), (7, 17593924), (14, 8796962), (19, 6481972), (28, 4398481), (38, 3240986), (76, 1620493), (133, 925996), (181, 680428), (266, 462998), (362, 340214), (532, 231499), (724, 170107), (1267, 97204), (1279, 96292), (2534, 48602), (2558, 48146), (3439, 35812), (5068, 24301), (5116, 24073), (6878, 17906), (8953, 13756)]