208897400

素因数分解:

$2^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{54973}}^1$

素因数の和:55008

約数の個数: 48

約数和(自身を含む): 511258200

約数和(自身を除く): 302360800

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 76, 95, 100, 152, 190, 200, 380, 475, 760, 950, 1900, 3800, 54973, 109946, 219892, 274865, 439784, 549730, 1044487, 1099460, 1374325, 2088974, 2198920, 2748650, 4177948, 5222435, 5497300, 8355896, 10444870, 10994600, 20889740, 26112175, 41779480, 52224350, 104448700, 208897400]

約数ペア:

[(1, 208897400), (2, 104448700), (4, 52224350), (5, 41779480), (8, 26112175), (10, 20889740), (19, 10994600), (20, 10444870), (25, 8355896), (38, 5497300), (40, 5222435), (50, 4177948), (76, 2748650), (95, 2198920), (100, 2088974), (152, 1374325), (190, 1099460), (200, 1044487), (380, 549730), (475, 439784), (760, 274865), (950, 219892), (1900, 109946), (3800, 54973)]