1010997980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2660521}}^1$

素因数の和:2660549

約数の個数: 24

約数和(自身を含む): 2234838480

約数和(自身を除く): 1223840500

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 2660521, 5321042, 10642084, 13302605, 26605210, 50549899, 53210420, 101099798, 202199596, 252749495, 505498990, 1010997980]

約数ペア:

[(1, 1010997980), (2, 505498990), (4, 252749495), (5, 202199596), (10, 101099798), (19, 53210420), (20, 50549899), (38, 26605210), (76, 13302605), (95, 10642084), (190, 5321042), (380, 2660521)]