211539580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{7829}}^1$

素因数の和:8038

約数の個数: 48

約数和(自身を含む): 510390720

約数和(自身を除く): 298851140

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 193, 386, 772, 965, 1351, 1930, 2702, 3860, 5404, 6755, 7829, 13510, 15658, 27020, 31316, 39145, 54803, 78290, 109606, 156580, 219212, 274015, 548030, 1096060, 1510997, 3021994, 6043988, 7554985, 10576979, 15109970, 21153958, 30219940, 42307916, 52884895, 105769790, 211539580]

約数ペア:

[(1, 211539580), (2, 105769790), (4, 52884895), (5, 42307916), (7, 30219940), (10, 21153958), (14, 15109970), (20, 10576979), (28, 7554985), (35, 6043988), (70, 3021994), (140, 1510997), (193, 1096060), (386, 548030), (772, 274015), (965, 219212), (1351, 156580), (1930, 109606), (2702, 78290), (3860, 54803), (5404, 39145), (6755, 31316), (7829, 27020), (13510, 15658)]