19772100

素因数分解:

$2^2\times 3^4\times 5^2\times {\mathrm{2441}}^1$

素因数の和:2467

約数の個数: 90

約数和(自身を含む): 64119594

約数和(自身を除く): 44347494

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 75, 81, 90, 100, 108, 135, 150, 162, 180, 225, 270, 300, 324, 405, 450, 540, 675, 810, 900, 1350, 1620, 2025, 2441, 2700, 4050, 4882, 7323, 8100, 9764, 12205, 14646, 21969, 24410, 29292, 36615, 43938, 48820, 61025, 65907, 73230, 87876, 109845, 122050, 131814, 146460, 183075, 197721, 219690, 244100, 263628, 329535, 366150, 395442, 439380, 549225, 659070, 732300, 790884, 988605, 1098450, 1318140, 1647675, 1977210, 2196900, 3295350, 3954420, 4943025, 6590700, 9886050, 19772100]

約数ペア:

[(1, 19772100), (2, 9886050), (3, 6590700), (4, 4943025), (5, 3954420), (6, 3295350), (9, 2196900), (10, 1977210), (12, 1647675), (15, 1318140), (18, 1098450), (20, 988605), (25, 790884), (27, 732300), (30, 659070), (36, 549225), (45, 439380), (50, 395442), (54, 366150), (60, 329535), (75, 263628), (81, 244100), (90, 219690), (100, 197721), (108, 183075), (135, 146460), (150, 131814), (162, 122050), (180, 109845), (225, 87876), (270, 73230), (300, 65907), (324, 61025), (405, 48820), (450, 43938), (540, 36615), (675, 29292), (810, 24410), (900, 21969), (1350, 14646), (1620, 12205), (2025, 9764), (2441, 8100), (2700, 7323), (4050, 4882)]