76820380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{42209}}^1$

素因数の和:42238

約数の個数: 48

約数和(自身を含む): 198555840

約数和(自身を除く): 121735460

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 42209, 84418, 168836, 211045, 295463, 422090, 548717, 590926, 844180, 1097434, 1181852, 1477315, 2194868, 2743585, 2954630, 3841019, 5487170, 5909260, 7682038, 10974340, 15364076, 19205095, 38410190, 76820380]

約数ペア:

[(1, 76820380), (2, 38410190), (4, 19205095), (5, 15364076), (7, 10974340), (10, 7682038), (13, 5909260), (14, 5487170), (20, 3841019), (26, 2954630), (28, 2743585), (35, 2194868), (52, 1477315), (65, 1181852), (70, 1097434), (91, 844180), (130, 590926), (140, 548717), (182, 422090), (260, 295463), (364, 211045), (455, 168836), (910, 84418), (1820, 42209)]