249255040

素因数分解:

$2^7\times 5^1\times {\mathrm{389461}}^1$

素因数の和:389480

約数の個数: 32

約数和(自身を含む): 595876860

約数和(自身を除く): 346621820

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 389461, 778922, 1557844, 1947305, 3115688, 3894610, 6231376, 7789220, 12462752, 15578440, 24925504, 31156880, 49851008, 62313760, 124627520, 249255040]

約数ペア:

[(1, 249255040), (2, 124627520), (4, 62313760), (5, 49851008), (8, 31156880), (10, 24925504), (16, 15578440), (20, 12462752), (32, 7789220), (40, 6231376), (64, 3894610), (80, 3115688), (128, 1947305), (160, 1557844), (320, 778922), (640, 389461)]