788356820

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{359}}^1\times {\mathrm{1861}}^1$

素因数の和:2288

約数の個数: 48

約数和(自身を含む): 1689206400

約数和(自身を除く): 900849580

約数列:

[1, 2, 4, 5, 10, 20, 59, 118, 236, 295, 359, 590, 718, 1180, 1436, 1795, 1861, 3590, 3722, 7180, 7444, 9305, 18610, 21181, 37220, 42362, 84724, 105905, 109799, 211810, 219598, 423620, 439196, 548995, 668099, 1097990, 1336198, 2195980, 2672396, 3340495, 6680990, 13361980, 39417841, 78835682, 157671364, 197089205, 394178410, 788356820]

約数ペア:

[(1, 788356820), (2, 394178410), (4, 197089205), (5, 157671364), (10, 78835682), (20, 39417841), (59, 13361980), (118, 6680990), (236, 3340495), (295, 2672396), (359, 2195980), (590, 1336198), (718, 1097990), (1180, 668099), (1436, 548995), (1795, 439196), (1861, 423620), (3590, 219598), (3722, 211810), (7180, 109799), (7444, 105905), (9305, 84724), (18610, 42362), (21181, 37220)]