3111820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{431}}^1$

素因数の和:478

約数の個数: 36

約数和(自身を含む): 6912864

約数和(自身を除く): 3801044

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 361, 380, 431, 722, 862, 1444, 1724, 1805, 2155, 3610, 4310, 7220, 8189, 8620, 16378, 32756, 40945, 81890, 155591, 163780, 311182, 622364, 777955, 1555910, 3111820]

約数ペア:

[(1, 3111820), (2, 1555910), (4, 777955), (5, 622364), (10, 311182), (19, 163780), (20, 155591), (38, 81890), (76, 40945), (95, 32756), (190, 16378), (361, 8620), (380, 8189), (431, 7220), (722, 4310), (862, 3610), (1444, 2155), (1724, 1805)]