278360260

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31849}}^1$

素因数の和:31900

約数の個数: 48

約数和(自身を含む): 642096000

約数和(自身を除く): 363735740

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 38, 46, 76, 92, 95, 115, 190, 230, 380, 437, 460, 874, 1748, 2185, 4370, 8740, 31849, 63698, 127396, 159245, 318490, 605131, 636980, 732527, 1210262, 1465054, 2420524, 2930108, 3025655, 3662635, 6051310, 7325270, 12102620, 13918013, 14650540, 27836026, 55672052, 69590065, 139180130, 278360260]

約数ペア:

[(1, 278360260), (2, 139180130), (4, 69590065), (5, 55672052), (10, 27836026), (19, 14650540), (20, 13918013), (23, 12102620), (38, 7325270), (46, 6051310), (76, 3662635), (92, 3025655), (95, 2930108), (115, 2420524), (190, 1465054), (230, 1210262), (380, 732527), (437, 636980), (460, 605131), (874, 318490), (1748, 159245), (2185, 127396), (4370, 63698), (8740, 31849)]