207824540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{134951}}^1$

素因数の和:134978

約数の個数: 48

約数和(自身を含む): 544126464

約数和(自身を除く): 336301924

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 134951, 269902, 539804, 674755, 944657, 1349510, 1484461, 1889314, 2699020, 2968922, 3778628, 4723285, 5937844, 7422305, 9446570, 10391227, 14844610, 18893140, 20782454, 29689220, 41564908, 51956135, 103912270, 207824540]

約数ペア:

[(1, 207824540), (2, 103912270), (4, 51956135), (5, 41564908), (7, 29689220), (10, 20782454), (11, 18893140), (14, 14844610), (20, 10391227), (22, 9446570), (28, 7422305), (35, 5937844), (44, 4723285), (55, 3778628), (70, 2968922), (77, 2699020), (110, 1889314), (140, 1484461), (154, 1349510), (220, 944657), (308, 674755), (385, 539804), (770, 269902), (1540, 134951)]