425217340

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1118993}}^1$

素因数の和:1119021

約数の個数: 24

約数和(自身を含む): 939954960

約数和(自身を除く): 514737620

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 1118993, 2237986, 4475972, 5594965, 11189930, 21260867, 22379860, 42521734, 85043468, 106304335, 212608670, 425217340]

約数ペア:

[(1, 425217340), (2, 212608670), (4, 106304335), (5, 85043468), (10, 42521734), (19, 22379860), (20, 21260867), (38, 11189930), (76, 5594965), (95, 4475972), (190, 2237986), (380, 1118993)]