31002220

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{91183}}^1$

素因数の和:91209

約数の個数: 24

約数和(自身を含む): 68935104

約数和(自身を除く): 37932884

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 91183, 182366, 364732, 455915, 911830, 1550111, 1823660, 3100222, 6200444, 7750555, 15501110, 31002220]

約数ペア:

[(1, 31002220), (2, 15501110), (4, 7750555), (5, 6200444), (10, 3100222), (17, 1823660), (20, 1550111), (34, 911830), (68, 455915), (85, 364732), (170, 182366), (340, 91183)]