31789940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17467}}^1$

素因数の和:17496

約数の個数: 48

約数和(自身を含む): 82169472

約数和(自身を除く): 50379532

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, 17467, 34934, 69868, 87335, 122269, 174670, 227071, 244538, 349340, 454142, 489076, 611345, 908284, 1135355, 1222690, 1589497, 2270710, 2445380, 3178994, 4541420, 6357988, 7947485, 15894970, 31789940]

約数ペア:

[(1, 31789940), (2, 15894970), (4, 7947485), (5, 6357988), (7, 4541420), (10, 3178994), (13, 2445380), (14, 2270710), (20, 1589497), (26, 1222690), (28, 1135355), (35, 908284), (52, 611345), (65, 489076), (70, 454142), (91, 349340), (130, 244538), (140, 227071), (182, 174670), (260, 122269), (364, 87335), (455, 69868), (910, 34934), (1820, 17467)]