27911380

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{1499}}^1$

素因数の和:1541

約数の個数: 72

約数和(自身を含む): 71820000

約数和(自身を除く): 43908620

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 49, 70, 76, 95, 98, 133, 140, 190, 196, 245, 266, 380, 490, 532, 665, 931, 980, 1330, 1499, 1862, 2660, 2998, 3724, 4655, 5996, 7495, 9310, 10493, 14990, 18620, 20986, 28481, 29980, 41972, 52465, 56962, 73451, 104930, 113924, 142405, 146902, 199367, 209860, 284810, 293804, 367255, 398734, 569620, 734510, 797468, 996835, 1395569, 1469020, 1993670, 2791138, 3987340, 5582276, 6977845, 13955690, 27911380]

約数ペア:

[(1, 27911380), (2, 13955690), (4, 6977845), (5, 5582276), (7, 3987340), (10, 2791138), (14, 1993670), (19, 1469020), (20, 1395569), (28, 996835), (35, 797468), (38, 734510), (49, 569620), (70, 398734), (76, 367255), (95, 293804), (98, 284810), (133, 209860), (140, 199367), (190, 146902), (196, 142405), (245, 113924), (266, 104930), (380, 73451), (490, 56962), (532, 52465), (665, 41972), (931, 29980), (980, 28481), (1330, 20986), (1499, 18620), (1862, 14990), (2660, 10493), (2998, 9310), (3724, 7495), (4655, 5996)]