30972980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{91097}}^1$

素因数の和:91123

約数の個数: 24

約数和(自身を含む): 68870088

約数和(自身を除く): 37897108

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 91097, 182194, 364388, 455485, 910970, 1548649, 1821940, 3097298, 6194596, 7743245, 15486490, 30972980]

約数ペア:

[(1, 30972980), (2, 15486490), (4, 7743245), (5, 6194596), (10, 3097298), (17, 1821940), (20, 1548649), (34, 910970), (68, 455485), (85, 364388), (170, 182194), (340, 91097)]