1977080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{307}}^1$

素因数の和:348

約数の個数: 64

約数和(自身を含む): 5322240

約数和(自身を除く): 3345160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 115, 140, 161, 184, 230, 280, 307, 322, 460, 614, 644, 805, 920, 1228, 1288, 1535, 1610, 2149, 2456, 3070, 3220, 4298, 6140, 6440, 7061, 8596, 10745, 12280, 14122, 17192, 21490, 28244, 35305, 42980, 49427, 56488, 70610, 85960, 98854, 141220, 197708, 247135, 282440, 395416, 494270, 988540, 1977080]

約数ペア:

[(1, 1977080), (2, 988540), (4, 494270), (5, 395416), (7, 282440), (8, 247135), (10, 197708), (14, 141220), (20, 98854), (23, 85960), (28, 70610), (35, 56488), (40, 49427), (46, 42980), (56, 35305), (70, 28244), (92, 21490), (115, 17192), (140, 14122), (161, 12280), (184, 10745), (230, 8596), (280, 7061), (307, 6440), (322, 6140), (460, 4298), (614, 3220), (644, 3070), (805, 2456), (920, 2149), (1228, 1610), (1288, 1535)]