138184900

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{28201}}^1$

素因数の和:28229

約数の個数: 54

約数和(自身を含む): 348830538

約数和(自身を除く): 210645638

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 140, 175, 196, 245, 350, 490, 700, 980, 1225, 2450, 4900, 28201, 56402, 112804, 141005, 197407, 282010, 394814, 564020, 705025, 789628, 987035, 1381849, 1410050, 1974070, 2763698, 2820100, 3948140, 4935175, 5527396, 6909245, 9870350, 13818490, 19740700, 27636980, 34546225, 69092450, 138184900]

約数ペア:

[(1, 138184900), (2, 69092450), (4, 34546225), (5, 27636980), (7, 19740700), (10, 13818490), (14, 9870350), (20, 6909245), (25, 5527396), (28, 4935175), (35, 3948140), (49, 2820100), (50, 2763698), (70, 1974070), (98, 1410050), (100, 1381849), (140, 987035), (175, 789628), (196, 705025), (245, 564020), (350, 394814), (490, 282010), (700, 197407), (980, 141005), (1225, 112804), (2450, 56402), (4900, 28201)]