508729940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{487}}^1\times {\mathrm{2749}}^1$

素因数の和:3264

約数の個数: 48

約数和(自身を含む): 1127280000

約数和(自身を除く): 618550060

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 487, 974, 1948, 2435, 2749, 4870, 5498, 9253, 9740, 10996, 13745, 18506, 27490, 37012, 46265, 52231, 54980, 92530, 104462, 185060, 208924, 261155, 522310, 1044620, 1338763, 2677526, 5355052, 6693815, 13387630, 25436497, 26775260, 50872994, 101745988, 127182485, 254364970, 508729940]

約数ペア:

[(1, 508729940), (2, 254364970), (4, 127182485), (5, 101745988), (10, 50872994), (19, 26775260), (20, 25436497), (38, 13387630), (76, 6693815), (95, 5355052), (190, 2677526), (380, 1338763), (487, 1044620), (974, 522310), (1948, 261155), (2435, 208924), (2749, 185060), (4870, 104462), (5498, 92530), (9253, 54980), (9740, 52231), (10996, 46265), (13745, 37012), (18506, 27490)]