38389090

素因数分解:

$2^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{191}}^1\times {\mathrm{199}}^1$

素因数の和:498

約数の個数: 32

約数和(自身を含む): 70502400

約数和(自身を除く): 32113310

約数列:

[1, 2, 5, 10, 101, 191, 199, 202, 382, 398, 505, 955, 995, 1010, 1910, 1990, 19291, 20099, 38009, 38582, 40198, 76018, 96455, 100495, 190045, 192910, 200990, 380090, 3838909, 7677818, 19194545, 38389090]

約数ペア:

[(1, 38389090), (2, 19194545), (5, 7677818), (10, 3838909), (101, 380090), (191, 200990), (199, 192910), (202, 190045), (382, 100495), (398, 96455), (505, 76018), (955, 40198), (995, 38582), (1010, 38009), (1910, 20099), (1990, 19291)]