142180780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{821}}^1\times {\mathrm{1237}}^1$

素因数の和:2074

約数の個数: 48

約数和(自身を含む): 341925696

約数和(自身を除く): 199744916

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 821, 1237, 1642, 2474, 3284, 4105, 4948, 5747, 6185, 8210, 8659, 11494, 12370, 16420, 17318, 22988, 24740, 28735, 34636, 43295, 57470, 86590, 114940, 173180, 1015577, 2031154, 4062308, 5077885, 7109039, 10155770, 14218078, 20311540, 28436156, 35545195, 71090390, 142180780]

約数ペア:

[(1, 142180780), (2, 71090390), (4, 35545195), (5, 28436156), (7, 20311540), (10, 14218078), (14, 10155770), (20, 7109039), (28, 5077885), (35, 4062308), (70, 2031154), (140, 1015577), (821, 173180), (1237, 114940), (1642, 86590), (2474, 57470), (3284, 43295), (4105, 34636), (4948, 28735), (5747, 24740), (6185, 22988), (8210, 17318), (8659, 16420), (11494, 12370)]