118742020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{3511}}^1$

素因数の和:3628

約数の個数: 48

約数和(自身を含む): 265507200

約数和(自身を除く): 146765180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 89, 95, 178, 190, 356, 380, 445, 890, 1691, 1780, 3382, 3511, 6764, 7022, 8455, 14044, 16910, 17555, 33820, 35110, 66709, 70220, 133418, 266836, 312479, 333545, 624958, 667090, 1249916, 1334180, 1562395, 3124790, 5937101, 6249580, 11874202, 23748404, 29685505, 59371010, 118742020]

約数ペア:

[(1, 118742020), (2, 59371010), (4, 29685505), (5, 23748404), (10, 11874202), (19, 6249580), (20, 5937101), (38, 3124790), (76, 1562395), (89, 1334180), (95, 1249916), (178, 667090), (190, 624958), (356, 333545), (380, 312479), (445, 266836), (890, 133418), (1691, 70220), (1780, 66709), (3382, 35110), (3511, 33820), (6764, 17555), (7022, 16910), (8455, 14044)]