66393220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{379}}^1\times {\mathrm{461}}^1$

素因数の和:868

約数の個数: 48

約数和(自身を含む): 147470400

約数和(自身を除く): 81077180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 379, 380, 461, 758, 922, 1516, 1844, 1895, 2305, 3790, 4610, 7201, 7580, 8759, 9220, 14402, 17518, 28804, 35036, 36005, 43795, 72010, 87590, 144020, 174719, 175180, 349438, 698876, 873595, 1747190, 3319661, 3494380, 6639322, 13278644, 16598305, 33196610, 66393220]

約数ペア:

[(1, 66393220), (2, 33196610), (4, 16598305), (5, 13278644), (10, 6639322), (19, 3494380), (20, 3319661), (38, 1747190), (76, 873595), (95, 698876), (190, 349438), (379, 175180), (380, 174719), (461, 144020), (758, 87590), (922, 72010), (1516, 43795), (1844, 36005), (1895, 35036), (2305, 28804), (3790, 17518), (4610, 14402), (7201, 9220), (7580, 8759)]