28011550

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{163}}^1\times {\mathrm{491}}^1$

素因数の和:673

約数の個数: 48

約数和(自身を含む): 60031872

約数和(自身を除く): 32020322

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 163, 175, 326, 350, 491, 815, 982, 1141, 1630, 2282, 2455, 3437, 4075, 4910, 5705, 6874, 8150, 11410, 12275, 17185, 24550, 28525, 34370, 57050, 80033, 85925, 160066, 171850, 400165, 560231, 800330, 1120462, 2000825, 2801155, 4001650, 5602310, 14005775, 28011550]

約数ペア:

[(1, 28011550), (2, 14005775), (5, 5602310), (7, 4001650), (10, 2801155), (14, 2000825), (25, 1120462), (35, 800330), (50, 560231), (70, 400165), (163, 171850), (175, 160066), (326, 85925), (350, 80033), (491, 57050), (815, 34370), (982, 28525), (1141, 24550), (1630, 17185), (2282, 12275), (2455, 11410), (3437, 8150), (4075, 6874), (4910, 5705)]