53390380

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{1289}}^1$

素因数の和:1426

約数の個数: 48

約数和(自身を含む): 119196000

約数和(自身を除く): 65805620

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 109, 190, 218, 380, 436, 545, 1090, 1289, 2071, 2180, 2578, 4142, 5156, 6445, 8284, 10355, 12890, 20710, 24491, 25780, 41420, 48982, 97964, 122455, 140501, 244910, 281002, 489820, 562004, 702505, 1405010, 2669519, 2810020, 5339038, 10678076, 13347595, 26695190, 53390380]

約数ペア:

[(1, 53390380), (2, 26695190), (4, 13347595), (5, 10678076), (10, 5339038), (19, 2810020), (20, 2669519), (38, 1405010), (76, 702505), (95, 562004), (109, 489820), (190, 281002), (218, 244910), (380, 140501), (436, 122455), (545, 97964), (1090, 48982), (1289, 41420), (2071, 25780), (2180, 24491), (2578, 20710), (4142, 12890), (5156, 10355), (6445, 8284)]