319422980

素因数分解:

$2^2\times 5^1\times {\mathrm{1091}}^1\times {\mathrm{14639}}^1$

素因数の和:15739

約数の個数: 24

約数和(自身を含む): 671448960

約数和(自身を除く): 352025980

約数列:

[1, 2, 4, 5, 10, 20, 1091, 2182, 4364, 5455, 10910, 14639, 21820, 29278, 58556, 73195, 146390, 292780, 15971149, 31942298, 63884596, 79855745, 159711490, 319422980]

約数ペア:

[(1, 319422980), (2, 159711490), (4, 79855745), (5, 63884596), (10, 31942298), (20, 15971149), (1091, 292780), (2182, 146390), (4364, 73195), (5455, 58556), (10910, 29278), (14639, 21820)]