287788630

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{20749}}^1$

素因数の和:20848

約数の個数: 32

約数和(自身を含む): 552780000

約数和(自身を除く): 264991370

約数列:

[1, 2, 5, 10, 19, 38, 73, 95, 146, 190, 365, 730, 1387, 2774, 6935, 13870, 20749, 41498, 103745, 207490, 394231, 788462, 1514677, 1971155, 3029354, 3942310, 7573385, 15146770, 28778863, 57557726, 143894315, 287788630]

約数ペア:

[(1, 287788630), (2, 143894315), (5, 57557726), (10, 28778863), (19, 15146770), (38, 7573385), (73, 3942310), (95, 3029354), (146, 1971155), (190, 1514677), (365, 788462), (730, 394231), (1387, 207490), (2774, 103745), (6935, 41498), (13870, 20749)]