205122540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{2557}}^1$

素因数の和:2767

約数の個数: 96

約数和(自身を含む): 660086784

約数和(自身を除く): 454964244

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 191, 210, 382, 420, 573, 764, 955, 1146, 1337, 1910, 2292, 2557, 2674, 2865, 3820, 4011, 5114, 5348, 5730, 6685, 7671, 8022, 10228, 11460, 12785, 13370, 15342, 16044, 17899, 20055, 25570, 26740, 30684, 35798, 38355, 40110, 51140, 53697, 71596, 76710, 80220, 89495, 107394, 153420, 178990, 214788, 268485, 357980, 488387, 536970, 976774, 1073940, 1465161, 1953548, 2441935, 2930322, 3418709, 4883870, 5860644, 6837418, 7325805, 9767740, 10256127, 13674836, 14651610, 17093545, 20512254, 29303220, 34187090, 41024508, 51280635, 68374180, 102561270, 205122540]

約数ペア:

[(1, 205122540), (2, 102561270), (3, 68374180), (4, 51280635), (5, 41024508), (6, 34187090), (7, 29303220), (10, 20512254), (12, 17093545), (14, 14651610), (15, 13674836), (20, 10256127), (21, 9767740), (28, 7325805), (30, 6837418), (35, 5860644), (42, 4883870), (60, 3418709), (70, 2930322), (84, 2441935), (105, 1953548), (140, 1465161), (191, 1073940), (210, 976774), (382, 536970), (420, 488387), (573, 357980), (764, 268485), (955, 214788), (1146, 178990), (1337, 153420), (1910, 107394), (2292, 89495), (2557, 80220), (2674, 76710), (2865, 71596), (3820, 53697), (4011, 51140), (5114, 40110), (5348, 38355), (5730, 35798), (6685, 30684), (7671, 26740), (8022, 25570), (10228, 20055), (11460, 17899), (12785, 16044), (13370, 15342)]