31341940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{1061}}^1$

素因数の和:1288

約数の個数: 48

約数和(自身を含む): 75648384

約数和(自身を除く): 44306444

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 211, 422, 844, 1055, 1061, 1477, 2110, 2122, 2954, 4220, 4244, 5305, 5908, 7385, 7427, 10610, 14770, 14854, 21220, 29540, 29708, 37135, 74270, 148540, 223871, 447742, 895484, 1119355, 1567097, 2238710, 3134194, 4477420, 6268388, 7835485, 15670970, 31341940]

約数ペア:

[(1, 31341940), (2, 15670970), (4, 7835485), (5, 6268388), (7, 4477420), (10, 3134194), (14, 2238710), (20, 1567097), (28, 1119355), (35, 895484), (70, 447742), (140, 223871), (211, 148540), (422, 74270), (844, 37135), (1055, 29708), (1061, 29540), (1477, 21220), (2110, 14854), (2122, 14770), (2954, 10610), (4220, 7427), (4244, 7385), (5305, 5908)]