1898942360

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{22091}}^1$

素因数の和:22416

約数の個数: 64

約数和(自身を含む): 4899121920

約数和(自身を除く): 3000179560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 307, 614, 1228, 1535, 2149, 2456, 3070, 4298, 6140, 8596, 10745, 12280, 17192, 21490, 22091, 42980, 44182, 85960, 88364, 110455, 154637, 176728, 220910, 309274, 441820, 618548, 773185, 883640, 1237096, 1546370, 3092740, 6185480, 6781937, 13563874, 27127748, 33909685, 47473559, 54255496, 67819370, 94947118, 135638740, 189894236, 237367795, 271277480, 379788472, 474735590, 949471180, 1898942360]

約数ペア:

[(1, 1898942360), (2, 949471180), (4, 474735590), (5, 379788472), (7, 271277480), (8, 237367795), (10, 189894236), (14, 135638740), (20, 94947118), (28, 67819370), (35, 54255496), (40, 47473559), (56, 33909685), (70, 27127748), (140, 13563874), (280, 6781937), (307, 6185480), (614, 3092740), (1228, 1546370), (1535, 1237096), (2149, 883640), (2456, 773185), (3070, 618548), (4298, 441820), (6140, 309274), (8596, 220910), (10745, 176728), (12280, 154637), (17192, 110455), (21490, 88364), (22091, 85960), (42980, 44182)]