278320010

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{18061}}^1$

素因数の和:18158

約数の個数: 32

約数和(自身を含む): 530589312

約数和(自身を除く): 252269302

約数列:

[1, 2, 5, 10, 23, 46, 67, 115, 134, 230, 335, 670, 1541, 3082, 7705, 15410, 18061, 36122, 90305, 180610, 415403, 830806, 1210087, 2077015, 2420174, 4154030, 6050435, 12100870, 27832001, 55664002, 139160005, 278320010]

約数ペア:

[(1, 278320010), (2, 139160005), (5, 55664002), (10, 27832001), (23, 12100870), (46, 6050435), (67, 4154030), (115, 2420174), (134, 2077015), (230, 1210087), (335, 830806), (670, 415403), (1541, 180610), (3082, 90305), (7705, 36122), (15410, 18061)]