89940420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{499669}}^1$

素因数の和:499684

約数の個数: 36

約数和(自身を含む): 272819820

約数和(自身を除く): 182879400

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 499669, 999338, 1499007, 1998676, 2498345, 2998014, 4497021, 4996690, 5996028, 7495035, 8994042, 9993380, 14990070, 17988084, 22485105, 29980140, 44970210, 89940420]

約数ペア:

[(1, 89940420), (2, 44970210), (3, 29980140), (4, 22485105), (5, 17988084), (6, 14990070), (9, 9993380), (10, 8994042), (12, 7495035), (15, 5996028), (18, 4996690), (20, 4497021), (30, 2998014), (36, 2498345), (45, 1998676), (60, 1499007), (90, 999338), (180, 499669)]