278318630

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{11981}}^1$

素因数の和:12112

約数の個数: 32

約数和(自身を含む): 527974848

約数和(自身を除く): 249656218

約数列:

[1, 2, 5, 10, 23, 46, 101, 115, 202, 230, 505, 1010, 2323, 4646, 11615, 11981, 23230, 23962, 59905, 119810, 275563, 551126, 1210081, 1377815, 2420162, 2755630, 6050405, 12100810, 27831863, 55663726, 139159315, 278318630]

約数ペア:

[(1, 278318630), (2, 139159315), (5, 55663726), (10, 27831863), (23, 12100810), (46, 6050405), (101, 2755630), (115, 2420162), (202, 1377815), (230, 1210081), (505, 551126), (1010, 275563), (2323, 119810), (4646, 59905), (11615, 23962), (11981, 23230)]