143911220

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{80849}}^1$

素因数の和:80947

約数の個数: 24

約数和(自身を含む): 305613000

約数和(自身を除く): 161701780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 80849, 161698, 323396, 404245, 808490, 1616980, 7195561, 14391122, 28782244, 35977805, 71955610, 143911220]

約数ペア:

[(1, 143911220), (2, 71955610), (4, 35977805), (5, 28782244), (10, 14391122), (20, 7195561), (89, 1616980), (178, 808490), (356, 404245), (445, 323396), (890, 161698), (1780, 80849)]