981900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{1091}}^1$

素因数の和:1111

約数の個数: 54

約数和(自身を含む): 3080532

約数和(自身を除く): 2098632

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 150, 180, 225, 300, 450, 900, 1091, 2182, 3273, 4364, 5455, 6546, 9819, 10910, 13092, 16365, 19638, 21820, 27275, 32730, 39276, 49095, 54550, 65460, 81825, 98190, 109100, 163650, 196380, 245475, 327300, 490950, 981900]

約数ペア:

[(1, 981900), (2, 490950), (3, 327300), (4, 245475), (5, 196380), (6, 163650), (9, 109100), (10, 98190), (12, 81825), (15, 65460), (18, 54550), (20, 49095), (25, 39276), (30, 32730), (36, 27275), (45, 21820), (50, 19638), (60, 16365), (75, 13092), (90, 10910), (100, 9819), (150, 6546), (180, 5455), (225, 4364), (300, 3273), (450, 2182), (900, 1091)]