85031380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{491}}^1\times {\mathrm{1237}}^1$

素因数の和:1744

約数の個数: 48

約数和(自身を含む): 204656256

約数和(自身を除く): 119624876

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 491, 982, 1237, 1964, 2455, 2474, 3437, 4910, 4948, 6185, 6874, 8659, 9820, 12370, 13748, 17185, 17318, 24740, 34370, 34636, 43295, 68740, 86590, 173180, 607367, 1214734, 2429468, 3036835, 4251569, 6073670, 8503138, 12147340, 17006276, 21257845, 42515690, 85031380]

約数ペア:

[(1, 85031380), (2, 42515690), (4, 21257845), (5, 17006276), (7, 12147340), (10, 8503138), (14, 6073670), (20, 4251569), (28, 3036835), (35, 2429468), (70, 1214734), (140, 607367), (491, 173180), (982, 86590), (1237, 68740), (1964, 43295), (2455, 34636), (2474, 34370), (3437, 24740), (4910, 17318), (4948, 17185), (6185, 13748), (6874, 12370), (8659, 9820)]