203440400

素因数分解:

$2^4\times 5^2\times {\mathrm{139}}^1\times {\mathrm{3659}}^1$

素因数の和:3816

約数の個数: 60

約数和(自身を含む): 492416400

約数和(自身を除く): 288976000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 139, 200, 278, 400, 556, 695, 1112, 1390, 2224, 2780, 3475, 3659, 5560, 6950, 7318, 11120, 13900, 14636, 18295, 27800, 29272, 36590, 55600, 58544, 73180, 91475, 146360, 182950, 292720, 365900, 508601, 731800, 1017202, 1463600, 2034404, 2543005, 4068808, 5086010, 8137616, 10172020, 12715025, 20344040, 25430050, 40688080, 50860100, 101720200, 203440400]

約数ペア:

[(1, 203440400), (2, 101720200), (4, 50860100), (5, 40688080), (8, 25430050), (10, 20344040), (16, 12715025), (20, 10172020), (25, 8137616), (40, 5086010), (50, 4068808), (80, 2543005), (100, 2034404), (139, 1463600), (200, 1017202), (278, 731800), (400, 508601), (556, 365900), (695, 292720), (1112, 182950), (1390, 146360), (2224, 91475), (2780, 73180), (3475, 58544), (3659, 55600), (5560, 36590), (6950, 29272), (7318, 27800), (11120, 18295), (13900, 14636)]