208012455

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{307}}^1$

素因数の和:570

約数の個数: 80

約数和(自身を含む): 429327360

約数和(自身を除く): 221314905

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 105, 135, 189, 239, 307, 315, 405, 567, 717, 921, 945, 1195, 1535, 1673, 2149, 2151, 2763, 2835, 3585, 4605, 5019, 6447, 6453, 8289, 8365, 10745, 10755, 13815, 15057, 19341, 19359, 24867, 25095, 32235, 32265, 41445, 45171, 58023, 73373, 75285, 96705, 96795, 124335, 135513, 174069, 220119, 225855, 290115, 366865, 513611, 660357, 677565, 870345, 1100595, 1540833, 1981071, 2568055, 3301785, 4622499, 5943213, 7704165, 9905355, 13867497, 23112495, 29716065, 41602491, 69337485, 208012455]

約数ペア:

[(1, 208012455), (3, 69337485), (5, 41602491), (7, 29716065), (9, 23112495), (15, 13867497), (21, 9905355), (27, 7704165), (35, 5943213), (45, 4622499), (63, 3301785), (81, 2568055), (105, 1981071), (135, 1540833), (189, 1100595), (239, 870345), (307, 677565), (315, 660357), (405, 513611), (567, 366865), (717, 290115), (921, 225855), (945, 220119), (1195, 174069), (1535, 135513), (1673, 124335), (2149, 96795), (2151, 96705), (2763, 75285), (2835, 73373), (3585, 58023), (4605, 45171), (5019, 41445), (6447, 32265), (6453, 32235), (8289, 25095), (8365, 24867), (10745, 19359), (10755, 19341), (13815, 15057)]