988540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{307}}^1$

素因数の和:346

約数の個数: 48

約数和(自身を含む): 2483712

約数和(自身を除く): 1495172

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 307, 322, 460, 614, 644, 805, 1228, 1535, 1610, 2149, 3070, 3220, 4298, 6140, 7061, 8596, 10745, 14122, 21490, 28244, 35305, 42980, 49427, 70610, 98854, 141220, 197708, 247135, 494270, 988540]

約数ペア:

[(1, 988540), (2, 494270), (4, 247135), (5, 197708), (7, 141220), (10, 98854), (14, 70610), (20, 49427), (23, 42980), (28, 35305), (35, 28244), (46, 21490), (70, 14122), (92, 10745), (115, 8596), (140, 7061), (161, 6140), (230, 4298), (307, 3220), (322, 3070), (460, 2149), (614, 1610), (644, 1535), (805, 1228)]