27748400

素因数分解:

$2^4\times 5^2\times {\mathrm{69371}}^1$

素因数の和:69389

約数の個数: 30

約数和(自身を含む): 66666492

約数和(自身を除く): 38918092

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 69371, 138742, 277484, 346855, 554968, 693710, 1109936, 1387420, 1734275, 2774840, 3468550, 5549680, 6937100, 13874200, 27748400]

約数ペア:

[(1, 27748400), (2, 13874200), (4, 6937100), (5, 5549680), (8, 3468550), (10, 2774840), (16, 1734275), (20, 1387420), (25, 1109936), (40, 693710), (50, 554968), (80, 346855), (100, 277484), (200, 138742), (400, 69371)]