138948400

素因数分解:

$2^4\times 5^2\times {\mathrm{563}}^1\times {\mathrm{617}}^1$

素因数の和:1198

約数の個数: 60

約数和(自身を含む): 334958472

約数和(自身を除く): 196010072

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 563, 617, 1126, 1234, 2252, 2468, 2815, 3085, 4504, 4936, 5630, 6170, 9008, 9872, 11260, 12340, 14075, 15425, 22520, 24680, 28150, 30850, 45040, 49360, 56300, 61700, 112600, 123400, 225200, 246800, 347371, 694742, 1389484, 1736855, 2778968, 3473710, 5557936, 6947420, 8684275, 13894840, 17368550, 27789680, 34737100, 69474200, 138948400]

約数ペア:

[(1, 138948400), (2, 69474200), (4, 34737100), (5, 27789680), (8, 17368550), (10, 13894840), (16, 8684275), (20, 6947420), (25, 5557936), (40, 3473710), (50, 2778968), (80, 1736855), (100, 1389484), (200, 694742), (400, 347371), (563, 246800), (617, 225200), (1126, 123400), (1234, 112600), (2252, 61700), (2468, 56300), (2815, 49360), (3085, 45040), (4504, 30850), (4936, 28150), (5630, 24680), (6170, 22520), (9008, 15425), (9872, 14075), (11260, 12340)]